TECHNICAL DATA
IN74HC573A
Octal 3-State Noninverting Transparent Latch
High-Performance Silicon-Gate CMOS
N SUFFIX PLA...
TECHNICAL DATA
IN74HC573A
Octal 3-State Noninverting Transparent Latch
High-Performance Silicon-Gate
CMOS
N SUFFIX PLASTIC DIP
The IN74HC573A is identical in pinout to the LS/ALS573. The device inputs are compatible with standard
CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. These latches appear transparent to data (i.e., the outputs change asynchronously) when LE is high. When LE goes low, data meeting the setup and hold time becomes latched. Outputs Directly Interface to
CMOS, NMOS, and TTL Operating
Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 µA High Noise Immunity Characteristic of
CMOS Devices
20
1 20 1
DW SUFFIX SOIC
ORDERING INFORMATION IN74HC573AN IN74HC573ADW Plastic DIP SOIC
TA = -55° to 125° C for all packages
PIN ASSIGNMENT LOGIC DIAGRAM
19 18 17 16 15 14 13 12
OE D0
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
V CC Q0 Q1 Q2 Q3 Q4 Q5
D0 D1 D2 DATA INPUTS D3 D4 D5 D6 D7
2 3 4 5 6 7 8 9
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 NONINVERTING OUTPUTS
D1 D2 D3 D4 D5 D6 D7 GND
Q7 LE
LE
11
OE
1
FUNCTION TABLE
Inputs OE PIN 20=VCC PIN 10 = GND L L L H LE H H L X D H L X X Output Q H L no change Z
w
w
a d . w
e h s a t
4 t e
u.
m o c
H= high level L = low level X = don’t care Z = high impedance
1
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Q6
IN74HC573A
MAXIMUM RATINGS*
Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL
*
Parameter DC Supply
Voltage (Referenced to GND) DC Input
Voltage (Referenced to GND) DC Output
Voltage (Refer...