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 HD74ALVCH16830
1-bit to 2-bit Address Driver with 3-state Outputs
ADE-205-196 (Z) 1st. Edition February 2000 Description
This 1-bit to 2-bit address driver is designed for 2.3 V to 3.6 V V CC operation. To ensure the high impedance state during power up or power down, the output ebable (OE) input should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current sinking capability of the driver. Active bus hold circuitry is provided to hold unused or floating inputs at a valid logic level.
Features
* VCC = 2.3 V to 3.6 V * Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25C) * Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25C) * High output current 24 mA (@V CC = 3.0 V) * Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
HD74ALVCH16830
Function Table
Inputs OE1 L L H H L L H H : High level L : Low level X : Immaterial Z : High impedance OE2 H H L L L L H A H L H L H L X Outputs 1Yn H L Z Z H L Z 2Yn Z Z H L H L Z
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HD74ALVCH16830
Pin Arrangement
2Y2 1Y2 GND 2Y1 1Y1 VCC A1 A2 GND A3 A4 GND A5 A6 VCC A7 A8 GND A9 OE1 OE2 A10 GND A11 A12 VCC A13 A14 GND A15 A16 GND A17 A18 VCC 2Y18 1Y18 GND 2Y17 1Y17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
1Y3 2Y3 GND 1Y4 2Y4 VCC 1Y5 2Y5 GND 1Y6 2Y6 GND 1Y7 2Y7 VCC 1Y8 2Y8 GND 1Y9 2Y9 1Y10 2Y10 GND 1Y11 2Y11 VCC 1Y12 2Y12 GND 1Y13 2Y13 GND 1Y14 2Y14 VCC 1Y15 2Y15 GND 1Y16 2Y16
(Top view)
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HD74ALVCH16830
Absolute Maximum Ratings
Item Supply voltage Input voltage
*1 *1, 2
Symbol VCC VI VO I IK I OK IO I CC or IGND PT Tstg
Ratings -0.5 to 4.6 -0.5 to 4.6 -0.5 to VCC +0.5 -50 50 50 100 1 -65 to 150
Unit V V V mA mA mA mA W C
Conditions
Output voltage
Input clamp current Output clamp current Continuous output current VCC, GND current / pin Maximum power dissipation at Ta = 55C (in still air) *3 Storage temperature Notes:
VI < 0 VO < 0 or VO > VCC VO = 0 to VCC
TVSOP
Stresses beyond those listed under "absolute maximum ratings" 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. 1. The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. 2. This value is limited to 4.6 V maximum. 3. The maximum package power dissipation is calculated using a junction temperature of 150C and a board trace length of 750 mils.
Recommended Operating Conditions
Item Supply voltage Input voltage Output voltage High level output current Symbol VCC VI VO I OH Min 2.3 0 0 -- -- -- Low level output current I OL -- -- -- Input transition rise or fall rate Operating temperature t / v Ta 0 -40 Max 3.6 VCC VCC -12 -12 -24 12 12 24 10 85 ns / V C mA Unit V V V mA VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V VCC = 2.3 V VCC = 2.7 V VCC = 3.0 V Conditions
Note: Unused control inputs must be held high or low to prevent them from floating.
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HD74ALVCH16830
Logic Diagram
OE2 OE1
21 20 5
1Y1 2Y1
A1
7 4
To seventeen other channels
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HD74ALVCH16830
Electrical Characteristics (Ta = -40 to 85C)
Item Input voltage Symbol VCC (V) VIH 2.3 to 2.7 2.7 to 3.6 VIL 2.3 to 2.7 2.7 to 3.6 Output voltage VOH 2.3 to 3.6 2.3 2.3 2.7 3.0 3.0 VOL 2.3 to 3.6 2.3 2.3 2.7 3.0 Input current I IN I IN (hold) 3.6 2.3 2.3 3.0 3.0 3.6 Off state output current I OZ I CC Note: 3.6 3.6 3.0 to 3.6 Min 1.7 2.0 -- -- VCC-0.2 2.0 1.7 2.2 2.4 2.0 -- -- -- -- -- -- 45 -45 75 -75 -- -- -- -- Max -- -- 0.7 0.8 -- -- -- -- -- -- 0.2 0.4 0.7 0.4 0.55 5 -- -- -- -- 500 10 40 750 A A A A V I OH = -100 A I OH = -6 mA, VIH = 1.7 V I OH = -12 mA, VIH = 1.7 V I OH = -12 mA, VIH = 2.0 V I OH = -12 mA, VIH = 2.0 V I OH = -24 mA, VIH = 2.0 V I OL = 100 A I OL = 6 mA, VIL = 0.7 V I OL = 12 mA, VIL = 0.7 V I OL = 12 mA, VIL = 0.8 V I OL = 24 mA, VIL = 0.8 V VIN = VCC or GND VIN = 0.7 V VIN = 1.7 V VIN = 0.8 V VIN = 2.0 V VIN = 0 to 3.6 V *1 VOUT = VCC or GND VIN = VCC or GND VIN = one input at (VCC-0.6) V, other inputs at V CC or GND Unit V Test Conditions
Quiescent supply current I CC
1. This is the bus hold maximum dynamic current required to switch the input from one state to another.
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HD74ALVCH16830
Switching Characteristics (Ta = -40 to 85C)
Item Propagation delay time Symbol VCC (V) t PLH t PHL 2.50.2 2.7 3.30.3 Output enable time t ZH t ZL 2.50.2 2.7 3.30.3 Output disable time t HZ t LZ 2.50.2 2.7 3.30.3 Input capacitance CIN 3.3 3.3 Output capacitance CO 3.3 Min 1.0 -- 1.0 1.0 -- 1.0 1.0 -- 1.0 -- -- -- Typ -- -- -- -- -- -- -- -- -- 4.5 5.0 7.5 Max 3.8 3.8 3.0 5.4 5.4 4.4 5.4 4.6 4.1 -- -- -- pF pF Control inputs Data inputs ns OE Y ns OE Y Unit ns FROM (Input) A TO (Output) Y
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HD74ALVCH16830
Test Circuit
See under table 500 S1 OPEN
*1
GND 500
C L = 50 pF
Load Circuit for Outputs Symbol t PLH / t PHL t ZH/ t HZ t ZL / t LZ CL Note: 1.
Vcc=2.50.2V Vcc=2.7V, 3.30.3V
OPEN GND 2 x VCC 30 pF
OPEN GND 6.0 V 50 pF
CL includes probe and jig capacitance.
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HD74ALVCH16830
Waveforms - 1
tr 90 % Input 10 % t PLH Vref 90 % Vref 10 % t PHL tf VIH GND
VOH Output Vref Vref VOL
Waveforms - 2
tf Output Control 90 % Vref 10 % t ZL Vref t ZH Waveform - B Vref t HZ Vref2 10 % t LZ tr 90 % Vref GND VOH1 Waveform - A Vref1 VOL VOH VOL1 TEST VIH Vref Vref1 Vref2 VOH1 VOL1 Notes: 1.
Vcc=2.50.2V Vcc=2.7V, 3.30.3V
VIH
VCC
2.7 V
1/2 VCC 1.5 V VOL +0.15 V VOL +0.3 V VOH-0.15 V VOH-0.3 V VCC GND 3.0 V GND
2. 3. 4.
All input pulses are supplied by generators having the following characteristics : PRR 10 MHz, Zo = 50 , t r 2.0 ns, tf 2.0 ns. (VCC = 2.50.2 V) PRR 10 MHz, Zo = 50 , t r 2.5 ns, tf 2.5 ns. (VCC = 2.7 V, 3.30.3 V) Waveform - A is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform - B is for an output with internal conditions such that the output is high except when disabled by the output control. The output are measured one at a time with one transition per measurement.
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HD74ALVCH16830
Package Dimensions
Unit : mm
17.10 Max 80 41 6.20 Max 1 0.23 Max 0.40 0.07 M 0.16 Typ 40
8.40 Max 12 Max 0.75 Max
0.08
1.20 max
0.15 Min
Hitachi code EIAJ code JEDEC code
-- -- --
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HD74ALVCH16830
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party's rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi's sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor products.
Hitachi, Ltd.
Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
URL
NorthAmerica : http:semiconductor.hitachi.com/ Europe : http://www.hitachi-eu.com/hel/ecg Asia (Singapore) : http://www.has.hitachi.com.sg/grp3/sicd/index.htm Asia (Taiwan) : http://www.hitachi.com.tw/E/Product/SICD_Frame.htm Asia (HongKong) : http://www.hitachi.com.hk/eng/bo/grp3/index.htm Japan : http://www.hitachi.co.jp/Sicd/index.htm For further information write to:
Hitachi Europe GmbH Electronic components Group Dornacher Strae 3 D-85622 Feldkirchen, Munich Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Europe Ltd. Electronic Components Group. Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 778322 Hitachi Asia Pte. Ltd. 16 Collyer Quay #20-00 Hitachi Tower Singapore 049318 Tel: 535-2100 Fax: 535-1533 Hitachi Asia Ltd. Taipei Branch Office 3F, Hung Kuo Building. No.167, Tun-Hwa North Road, Taipei (105) Tel: <886> (2) 2718-3666 Fax: <886> (2) 2718-8180 Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower, World Finance Centre, Harbour City, Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong Tel: <852> (2) 735 9218 Fax: <852> (2) 730 0281 Telex: 40815 HITEC HX
Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223
Copyright ' Hitachi, Ltd., 2000. All rights reserved. Printed in Japan.
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