74ACT273B STMicroelectronics, 74ACT273B Datasheet - Page 2

• Manufacturer Part Number: 74ACT273B
• Description: IC FLIP FLOP OCTAL D 20-DIP
• Manufacturer: STMicroelectronics
• Series: 74ACTr
• Type: D-Type Busr

Specifications of 74ACT273B

• Function: Master Reset
• Output Type: Non-Inverted
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Frequency - Clock: 190MHz
• Delay Time - Propagation: 4ns
• Trigger Type: Positive Edge
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1332-5

74ACT273
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
CLEAR
H
H
H
L
INPUTS
D
X
H
X
L
CLOCK
X
PIN DESCRIPTION
2, 5, 6, 9, 12,
3, 4, 7, 8, 13,
14, 17, 18
15, 16,19
PIN No
10
20
11
1
OUTPUT
SYMBOL
Q0 to Q7
D0 to D7
CLOCK
CLEAR
GND
V
Q
Q
H
L
L
CC
n
Asyncronous Master Reset
(Active LOW)
Flip-Flop Outputs
Data Inputs
Clock Input (LOW-to-HIGH
Edge Triggered)
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE
FUNCTION
CLEAR