M74HCT273B1R STMicroelectronics, M74HCT273B1R Datasheet - Page 2
M74HCT273B1R
Manufacturer Part Number
M74HCT273B1R
Description
IC FLIP FLOP OCTAL D 20-DIP
Manufacturer
STMicroelectronics
Series
74HCTr
Type
D-Type Busr
Datasheet
1.M74HCT273B1R.pdf
(10 pages)
Specifications of M74HCT273B1R
Function
Master Reset
Output Type
Non-Inverted
Number Of Elements
1
Number Of Bits Per Element
8
Frequency - Clock
80MHz
Delay Time - Propagation
19ns
Trigger Type
Positive Edge
Current - Output High, Low
4mA, 4mA
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)
Number Of Circuits
8
Logic Family
74HCT
Logic Type
D-Type Flip-Flop
Polarity
Non-Inverting
Input Type
Single-Ended
Propagation Delay Time
30 ns
High Level Output Current
- 4 mA
Supply Voltage (max)
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 55 C
Supply Voltage (min)
4.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1907-5
M74HCT273
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X : Don’t Care
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/10
CLEAR
H
H
H
L
INPUTS
CLOCK
X
D
H
X
X
L
PIN DESCRIPTION
2, 5, 6, 9, 12,
3, 4, 7, 8, 13,
15, 16, 19
14, 17, 18
PIN No
11
10
20
1
OUTPUTS
SYMBOL
Q0 to Q7
D0 to D7
CLOCK
CLEAR
GND
Qn
Vcc
Q
H
L
L
Master Reset Input
(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