54F161ALMQB. National Semiconductor, 54F161ALMQB. Datasheet - Page 2

• Manufacturer Part Number: 54F161ALMQB.
• Manufacturer: National Semiconductor
• Type: Binaryr

Specifications of 54F161ALMQB.

• Technology: Bipolar
• Number Of Elements: 1
• Number Of Bits: 4
• Logic Family: F
• Logical Function: Counter
• Operating Supply Voltage (typ): 5V
• Propagation Delay Time: 16.5ns
• Operating Temp Range: -55C to 125C
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Military
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / Rohs Status: Not Compliant

Logic Symbols
Unit Loading Fan Out
CEP
CET
CP
MR (’F161A)
SR (’F163A)
P
PE
Q
TC
Pin Names
0
0
–P
–Q
3
3
IEEE IEC
’F161A
’F161A
Count Enable Parallel Input
Count Enable Trickle Input
Clock Pulse Input (Active Rising Edge)
Asynchronous Master Reset Input (Active LOW)
Synchronous Reset Input (Active LOW)
Parallel Data Inputs
Parallel Enable Input (Active LOW)
Flip-Flop Outputs
Terminal Count Output
Description
TL F 9486–3
TL F 9486–6
2
HIGH LOW
50 33 3
50 33 3
1 0 1 0
1 0 2 0
1 0 1 0
1 0 1 0
1 0 2 0
1 0 1 0
1 0 2 0
U L
IEEE IEC
’F163A
’F163A
54F 74F
20 A
20 A
20 A
20 A
20 A
20 A
20 A
Output I
b
b
Input I
1 mA 20 mA
1 mA 20 mA
b
b
b
b
b
b
b
IH
OH
0 6 mA
1 2 mA
0 6 mA
0 6 mA
1 2 mA
0 6 mA
1 2 mA
TL F 9486– 10
TL F 9486– 9
I
IL
I
OL