54ABT273W-QML National Semiconductor, 54ABT273W-QML Datasheet - Page 2

• Manufacturer Part Number: 54ABT273W-QML
• Manufacturer: National Semiconductor
• Type: Dr

Specifications of 54ABT273W-QML

• Logic Family: ABT
• Technology: BiCMOS
• Number Of Bits: 8
• Number Of Elements: 1
• Clock-edge Trigger Type: Positive-Edge
• Polarity: Non-Inverting
• Operating Supply Voltage (typ): 5V
• Package Type: CERPACK
• Propagation Delay Time: 8.2ns
• Output Type: Standard
• Low Level Output Current: 48mA
• High Level Output Current: -24mA
• Frequency (max): 150MHz
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

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Connection Diagrams
Truth Table
Mode Select-Function Table
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Reset (Clear)
Load “1”
Load “0”
Operating Mode
Pin Assignment for DIP
and Flatpack
MR
H
H
L
Inputs
CP
N
N
X
DS100205-1
D
X
h
l
n
D
MR
CP
Q
Names
0
0
Pin
–D
–Q
Output
7
7
Q
H
L
L
n
Data Inputs
Master Reset
Clock Pulse Input
Data Outputs
(Active LOW)
(Active Rising Edge)
Description
2
H = HIGH Voltage Level steady state
h = HIGH Voltage Level one setup time prior to the LOW-to-HIGH clock tran-
sition
L = LOW Voltage Level steady state
I = LOW Voltage Level one setup time prior to the LOW-to-HIGH clock tran-
sition
X = Immaterial
N
= LOW-to-HIGH clock transition
Pin Assignment
for LCC
DS100205-2
DS100205-3