M74HCT273TTR STMicroelectronics, M74HCT273TTR Datasheet - Page 2

• Manufacturer Part Number: M74HCT273TTR
• Description: IC FLIP FLOP OCTAL D 20-TSSOP
• Manufacturer: STMicroelectronics
• Series: 74HCTr
• Type: D-Type Busr

Specifications of M74HCT273TTR

• 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: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-7395-2; M74HCT273TTR

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