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INTEGRATED CIRCUITS
74ABT16245B 74ABTH16245B 16-bit bus transceiver (3-state)
Product specification Supersedes data of 1996 Nov 20 IC23 Data Handbook 1998 Feb 25
Philips Semiconductors
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
FEATURES
* 16-bit bidirectional bus interface * Power-up 3-State * Multiple VCC and GND pins minimize switching noise * 3-State buffers * Output capability: +64 mA/-32mA * Latch-up protection exceeds 500mA per JEDEC Std 17 * Live insertion/extraction permitted * ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The 74ABT16245B high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. The 74ABT16245B device is a dual octal transceiver featuring non-inverting 3-State bus compatible outputs in both send and receive directions. The control function implementation minimizes external timing requirements. The device features two Output Enable (1OE, 2OE) inputs for easy cascading and two Direction (1DIR, 2DIR) inputs for direction control. Two options are available, 74ABT16245B which does not have the bus hold feature and the 74ABTH16245B which incorporates the bus hold feature.
* 74ABTH16245B incorporates bus hold data inputs which eliminate
the need for external pull-up resistors to hold unused inputs
* Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
QUICK REFERENCE DATA
SYMBOL tPLH tPHL CIN CI/O ICCZ ICCL PARAMETER Propagation delay nAx to nBx or nBx to nAx Input capacitance I/O pin capacitance Quiescent supply current su ly CONDITIONS Tamb = 25C; GND = 0V CL = 50pF; VCC = 5V VI = 0V or VCC VO = 0V or VCC; 3-State Outputs disabled; VCC =5.5V Output Low; VCC =5.5V TYPICAL 2.0 2.3 4 7 500 10 UNIT ns pF pF A mA
ORDERING INFORMATION
PACKAGES 48-Pin Plastic SSOP Type III 48-Pin Plastic TSSOP Type II 48-Pin Plastic SSOP Type III 48-Pin Plastic TSSOP Type II TEMPERATURE RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C OUTSIDE NORTH AMERICA 74ABT16245B DL 74ABT16245B DGG 74ABTH16245B DL 74ABTH16245B DGG NORTH AMERICA BT16245B DL BT16245B DGG BH16245B DL BH16245B DGG DWG NUMBER SOT370-1 SOT362-1 SOT370-1 SOT362-1
1998 Feb 25
2
853-1742 19018
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
PIN CONFIGURATION
1DIR 1B0 1B1 GND 1B2 1B3 VCC 1B4 1B5 1 2 3 4 5 6 7 8 9 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 1OE 1A0 1A1 GND 1A2 1A3 VCC 1A4 1A5 GND 1A6 1A7 2A0 2A1 GND 2A2 2A3 VCC 2A4 2A5 GND 2A6 2A7 2OE
PIN DESCRIPTION
SYMBOL 1DIR, 2DIR 1A0 - 1A7, 2A0 - 2A7 PIN NUMBER 1, 24 NAME AND FUNCTION Direction control inputs (Active-High)
47, 46, 44, 43 41, 40, 38, 37 Data inputs/outputs (A side) 36, 35, 33, 32 30, 29, 27, 26 2, 3, 5, 6 8, 9, 11, 12 Data inputs/outputs (B side) 13, 14, 16, 17 19, 20, 22, 23 48, 25 Output enables
GND 10 1B6 11 1B7 12 2B0 13 2B1 14 GND 15 2B2 16 2B3 17 VCC 18 2B4 19 2B5 20 GND 21
1B0 - 1B7 2B0 - 2B7 1OE, 2OE GND VCC
4, 10, 15, 21 Ground (0V) 28, 34, 39, 45 7, 18, 31, 42 Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
1OE 1DIR 48 1 G3 3 EN1 (BA) 3 EN2 (AB) 2OE 2DIR 25 24 G6 6 EN4 (BA) 6 EN5 (AB)
2B6 22 2B7 23 2DIR 24
SA00020
LOGIC SYMBOL
1DIR 1 48 1A0 47 2 2DIR 1OE 1B0 2A0 36 24 25 13
1A0
47
1 2
2
1B0
1A1 2OE 2B0 1A2 1A3 1A4
46 44 43 41 40 38 37 36 4 5
3 5 6 8 9 11 12 13
1B1 1B2 1B3 1B4 1B5 1B6 1B7 2B0
1A1
46
3
1B1
2A1
35
14
2B1
1A5 1A6
1A2
44
5
1B2
2A2
33
16
2B2 1A7
1A3
43
6
1B3
2A3
32
17
2B3
2A0
1A4
41
8
1B4
2A4
30
19
2B4
2A1 2A2
35 33 32 30 29 27 26
14 16 17 19 20 22 23
2B1 2B2 2B3 2B4 2B5 2B6 2B7
1A5
40
9
1B5
2A5
29
20
2B5
2A3 2A4
1A6
38
11
1B6
2A6
27
22
2B6
2A5 2A6
1A7
37
12
1B7
2A7
26
23
2B7
2A7
SA00022 SA00021
1998 Feb 25
3
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
FUNCTION TABLE
INPUTS nOE L L H H L X Z nDIR L H X INPUTS/OUTPUTS nAx A=B Inputs Z nBx Inputs B=A Z
= High voltage level = Low voltage level = Don't care = High impedance "off" scale
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL VCC IIK VI IOK VOUT IO OUT Tstg PARAMETER DC supply voltage DC input diode current DC input voltage3 DC output diode current DC output voltage3 DC output current output in High state Storage temperature range -64 -65 to 150 C VO < 0 output in Off or High state output in Low state VI < 0 CONDITIONS RATING -0.5 to +7.0 -18 -1.2 to +7.0 -50 -0.5 to +5.5 128 mA UNIT V mA V mA V
NOTES: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150C. 3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
LIMITS SYMBOL VCC VI VIH VIL IOH IOL t/v Tamb DC supply voltage Input voltage High-level input voltage Low-level Input voltage High-level output current Low-level output current Input transition rise or fall rate Operating free-air temperature range 0 -40 PARAMETER Min 4.5 0 2.0 0.8 -32 64 10 +85 Max 5.5 VCC V V V V mA mA ns/V C UNIT
1998 Feb 25
4
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
DC ELECTRICAL CHARACTERISTICS
LIMITS SYMBOL PARAMETER TEST CONDITIONS Tamb = +25C Min VIK Input clamp voltage VCC = 4.5V; IIK = -18mA VCC = 4.5V; IOH = -3mA; VI = VIL or VIH VOH High-level output voltage VCC = 5.0V; IOH = -3mA; VI = VIL or VIH VCC = 4.5V; IOH = -32mA; VI = VIL or VIH VOL II Low-level output voltage Input leakage current Bus hold current A and B inputs 74ABTH16245B Power-off leakage current Power-up/down 3-State output current 3-State output High current 3-State output Low current Output high leakage current Output current1 VCC = 4.5V; IOL = 64mA; VI = VIL or VIH VCC = 5.5V; VI = GND or 5.5V VCC = 4.5V; VI = 0.8V VCC = 5.5V; VI = 2.0V VCC = 5.5V; VI = 0 to 5.5V VCC = 0.0V; VO or VI 4.5V VCC = 2.0V; VO = 0.5V; VI = GND or VCC; VOE = Don't care VCC = 5.5V; VO = 5.5V; VI = VIL or VIH VCC = 5.5V; VO = 0.0V; VI = VIL or VIH VCC = 5.5V; VO = 5.5V; VI = GND or VCC VCC = 5.5V; VO = 2.5V VCC = 5.5V; Outputs High, VI = GND or VCC Quiescent supply current VCC = 5.5V; Outputs Low, VI = GND or VCC VCC = 5.5V; Outputs 3-State; VI = GND or VCC Outputs enabled, one data input at 3.4V, other inputs at VCC or GND; VCC = 5.5V ICC Additional supply current per in ut in input pin2 Outputs disabled, one data input at 3.4V, other inputs at VCC or GND; VCC = 5.5V Control pins, outputs disabled, one enable input at 3.4V, other inputs at VCC or GND; VCC = 5.5V -50 Control pins 50 -75 500 5.0 5.0 0.1 0.1 5.0 -92 0.30 10 0.30 400 100 100 50 10 10 50 -180 0.70 19 0.70 700 250 -50 100 50 10 10 50 -180 0.70 19 0.70 700 250 A A A A A mA mA mA mA A A A 2.5 3.0 2.0 Typ -0.9 2.9 3.4 2.4 0.42 0.01 0.55 1.0 50 -75 A Max -1.2 2.5 3.0 2.0 0.55 1.0 Tamb = -40C to +85C Min Max -1.2 V V V V V A UNIT
IHOLD
IOFF IPU/IPD IIH+IOZH IIL+IOZL ICEX IO ICCH ICCL ICCZ
400
700
700
NOTES: 1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second. 2. This is the increase in supply current for each input at 3.4V. 3. This is the bus hold overdrive current required to force the input to the opposite logic state.
1998 Feb 25
5
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500 LIMITS SYMBOL PARAMETER WAVEFORM Min tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation delay nAx to nBx or nBx to nAx Output enable time to High and Low level Output disable time from High and Low level 1 2 2 1.0 1.0 1.0 1.7 1.7 1.5 Tamb = +25C VCC = +5.0V Typ 2.0 2.3 3.1 4.0 3.5 3.2 Max 3.2 3.5 4.4 5.2 4.9 4.4 Tamb = -40C to +85C VCC = +5.0V 0.5V Min 1.0 1.0 1.0 1.7 1.7 1.5 Max 3.5 4.0 5.1 6.1 5.4 5.0 ns ns ns UNIT
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
nOE INPUT INPUT VM VM VM VM
tPLH
tPHL OUTPUT VM
tPZL
tPLZ
3.5V
VM
OUTPUT
VM
VOL + 0.3V VOL tPHZ VOH VOH - 0.3V
SA00023
tPZH
Waveform 1. Input to Output Propagation Delays
OUTPUT
VM 0V
SA00024
Waveform 2. 3-State Output Enable and Disable Times
1998 Feb 25
6
Philips Semiconductors
Product specification
16-bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
TEST CIRCUIT
VCC 7.0V RL 90% NEGATIVE PULSE VM 10% tTHL (tF) CL RL POSITIVE PULSE 10% tW tTLH (tR) 90% 90% VM 10% 0V 10% 0V tTLH (tR) tTHL (tF) AMP (V) tW VM 90% AMP (V)
PULSE GENERATOR
VIN D.U.T. RT
VOUT
Test Circuit for 3-State Outputs
VM
SWITCH POSITION
TEST tPLZ tPZL All other SWITCH closed closed open
VM = 1.5V Input Pulse Definition
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value. CL = Load capacitance includes jig and probe capacitance; see AC CHARACTERISTICS for value. RT = Termination resistance should be equal to ZOUT of pulse generators.
INPUT PULSE REQUIREMENTS FAMILY Amplitude 74ABT/H16 3.0V Rep. Rate 1MHz tW 500ns tR 2.5ns tF 2.5ns
SA00018
1998 Feb 25
7
Philips Semiconductors
Product specification
16-Bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
SSOP48: plastic shrink small outline package; 48 leads; body width 7.5 mm
SOT370-1
1998 Feb 25
8
Philips Semiconductors
Product specification
16-Bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
TSSOP48: plastic thin shrink small outline package; 48 leads; body width 6.1mm
SOT362-1
1998 Feb 25
9
Philips Semiconductors
Product specification
16-Bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
NOTES
1998 Feb 25
10
Philips Semiconductors
Product specification
16-Bit bus transceiver (3-State)
74ABT16245B 74ABTH16245B
Data sheet status
Data sheet status Objective specification Preliminary specification Product specification Product status Development Qualification Definition [1] This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product. This data sheet contains final specifications. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product.
Production
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification -- The data in a short-form specification is extracted from a full data sheet with the same type number and title. For detailed information see the relevant data sheet or data handbook. Limiting values definition -- Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information -- Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification.
Disclaimers
Life support -- These products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application. Right to make changes -- Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088-3409 Telephone 800-234-7381 (c) Copyright Philips Electronics North America Corporation 1998 All rights reserved. Printed in U.S.A. print code Document order number: Date of release: 05-96 9397-750-03486
Philips Semiconductors
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