74ACT573B STMicroelectronics, 74ACT573B Datasheet - Page 2

• Manufacturer Part Number: 74ACT573B
• Description: IC LATCH OCTAL D-TYPE 20-DIP
• Manufacturer: STMicroelectronics
• Series: 74ACTr

Specifications of 74ACT573B

• Logic Type: D-Type Transparent Latch
• Circuit: 8:8
• Output Type: Tri-State
• Voltage - Supply: 4.5 V ~ 5.5 V
• Independent Circuits: 1
• Delay Time - Propagation: 5ns
• Current - Output High, Low: 24mA, 24mA
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1334-5

74ACT573
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t care
Z : High Impedance
NOTE: Outputs are latched at the time when the input is taken LOW logic level
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
OE
H
L
L
L
INPUTS
LE
H
H
X
L
PIN DESCRIPTION
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN No
7, 8, 9
18, 19
10
20
11
1
D
X
X
H
L
SYMBOL
Q0 to Q7
D0 to D7
GND
V
OE
LE
CC
3 State Output Enable
Input (Active LOW)
Data Inputs
3-State Latch Outputs
Latch Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE
OUTPUT
Q
H
Z
L