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HD74HC442, HD74HC443, HD74HC444
Quad. Tridirectional Bus Transceiver (with noninverted 3-state outputs) Quad. Tridirectional Bus Transceiver (with inverted 3-state outputs) Quad Tridirectional Bus Transceiver (with noninverted/inverted 3-state outputs)
REJ03D0627-0200 (Previous ADE-205-506) Rev.2.00 Mar 30, 2006
Description
These bus transceivers are designed for a synchronous three-way communication between four-line data buses. They give the designer a choice of selecting inverting, noninverting or a combination of inverting and noninverting data paths with 3-state outputs. The S0 and S1 inputs select the bus from which data are to be transferred. The G inputs enable the bus or buses to which data are to be transferred. The port for any bus selected for input and any other bus not enabled for output will be at high impedance.
Features
* High Speed Operation * High Output Current: Fanout of 15 LSTTL Loads * Wide Operating Voltage: VCC = 2 to 6 V * Low Input Current: 1 A max * Low Quiescent Supply Current: ICC (static) = 4 A max (Ta = 25C) * Ordering Information
Part Name HD74HC442RPEL HD74HC443RPEL HD74HC444RPEL Package Type Package Code (Previous Code) PRSP0020DC-A (FP-20DBV) Package Abbreviation RP Taping Abbreviation (Quantity) EL (1,000 pcs/reel)
SOP-20 pin (JEDEC)
Rev.2.00 Mar 30, 2006 page 1 of 7
HD74HC442, HD74HC443, HD74HC444
Function Table
Inputs CS H X X X X X L L L L L L L L L H: L: X: S1 X H X L L H L L H L L H L L H high level low level irrelevant S0 X H X L H L L H L L H L L H L GA X X H X H H X L L X H L X L H GB X X H H X H L X L L X H H X L GC X X H H H X L L X H L X L H X HD74HC442 None None None None None None A B, A C B C, B A C A, C B AB BC CA AC BA CB Transfers Between Buses HD74HC443 None None None None None None A B, A C B C, B A C A, C B AB BC CA AC BA CB HD74HC444 None None None None None None A B, A C B C, B A C A, C B AB BC CA AC BA CB
Pin Arrangement
CS 1 B1 2 C1 3 C2 4 B2 5 B3 6 C3 7 C4 8 B4 9 GND 10 (Top view) 20 VCC 19 GC 18 GB 17 GA 16 A1 15 A2 14 A3 13 A4 12 S1 11 S0
Rev.2.00 Mar 30, 2006 page 2 of 7
HD74HC442, HD74HC443, HD74HC444
Logic Diagram
HD74HC442
S0 S1 GA GB GC CS
A1 B1 C1 A2 B2 C2 A3 B3 C3
A4
B4
C4
Rev.2.00 Mar 30, 2006 page 3 of 7
HD74HC442, HD74HC443, HD74HC444 HD74HC443
S0 S1 GA GB GC CS
A1 B1 C1 A2 B2 C2 A3 B3 C3
A4
B4
C4
Rev.2.00 Mar 30, 2006 page 4 of 7
HD74HC442, HD74HC443, HD74HC444 HD74HC444
S0 S1 GA GB GC CS
A1 B1 C1 A2 B2 C2 A3 B3 C3
A4
B4
C4
Rev.2.00 Mar 30, 2006 page 5 of 7
HD74HC442, HD74HC443, HD74HC444
Absolute Maximum Ratings
Item Supply voltage range Input / Output voltage Input / Output diode current Output current VCC, GND current Power dissipation Symbol VCC VIN, VOUT IIK, IOK IO ICC or IGND PT Ratings -0.5 to 7.0 -0.5 to VCC +0.5 20 35 75 500 Unit V V mA mA mA mW
Storage temperature Tstg -65 to +150 C Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
Recommended Operating Conditions
Item Supply voltage Input / Output voltage Operating temperature Input rise / fall time Note:
*1
Symbol VCC VIN, VOUT Ta tr , tf
Ratings 2 to 6 0 to VCC -40 to 85 0 to 1000 0 to 500
Unit V V C ns
Conditions
VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V
0 to 400 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics.
Electrical Characteristics
Item Input voltage Symbol VCC (V) VIH 2.0 4.5 6.0 2.0 4.5 6.0 Output voltage VOH 2.0 4.5 6.0 4.5 VOL 6.0 2.0 4.5 6.0 4.5 6.0 Off-state output current Input current Quiescent supply current IOZ Iin ICC 6.0 6.0 6.0 Min 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.18 5.68 -- -- -- -- -- -- -- -- Ta = 25C Typ Max -- -- -- -- -- -- 2.0 4.5 6.0 -- -- 0.0 0.0 0.0 -- -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.26 0.26 0.5 0.1 4.0 Ta = -40 to+85C Unit Min Max 1.5 3.15 4.2 -- -- -- 1.9 4.4 5.9 4.13 5.63 -- -- -- -- -- -- -- -- -- -- -- 0.5 1.35 1.8 -- -- -- -- -- 0.1 0.1 0.1 0.33 0.33 5.0 1.0 40 IOL = 6 mA IOL = 7.8 mA A Vin = VIH or VIL, Vout = VCC or GND A Vin = VCC or GND A Vin = VCC or GND, Iout = 0 A V V Vin = VIH or VIL IOH = -20 A V Test Conditions
VIL
V
IOH = -6 mA IOH = -7.8 mA Vin = VIH or VIL IOL = 20 A
Rev.2.00 Mar 30, 2006 page 6 of 7
HD74HC442, HD74HC443, HD74HC444
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = 25C Item Propagation delay time Output enable time Output disable time Output rise/fall time Input capacitance Symbol VCC (V) tPLH tPHL tZH tZL tHZ tLZ tTLH tTHL Cin 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 -- Min -- -- -- -- -- -- -- -- -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- -- -- 5 Max 200 40 34 150 30 26 150 30 26 60 12 10 10 Ta = -40 to +85C Min -- -- -- -- -- -- -- -- -- -- -- -- -- Max 250 50 43 190 38 33 190 38 33 75 15 13 10 ns ns Unit ns Test Conditions
ns
pF
Package Dimensions
JEITA Package Code P-SOP20-7.5x12.8-1.27 RENESAS Code PRSP0020DC-A Previous Code FP-20DBV MASS[Typ.] 0.52g
*1
D
F 11
20
NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" @ DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT @ INCLUDE TRIM OFFSET.
bp
HE E
*2
Index mark
Terminal cross section ( Ni/Pd/Au plating )
1 Z e
*3
c
Reference Symbol
Dimension in Millimeters
10 bp x M L1
A1
y
L
Detail F
D E A2 A1 A bp b1 c c1 HE e x y Z L L1
Min Nom Max 12.80 13.2 7.50 0.10 0.20 0.30 2.65 0.34 0.40 0.46 0.20 0.25 0.30 0 8 10.00 10.40 10.65 1.27 0.12 0.15 0.935 0.40 0.70 1.27 1.45
Rev.2.00 Mar 30, 2006 page 7 of 7
A
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