74LS ON Semiconductor, 74LS Datasheet - Page 2

• Manufacturer Part Number: 74LS
• Description: SYNCHRONOUS 4-BIT UP/DOWN COUNTER
• Manufacturer: ON Semiconductor

(10)
GUARANTEED OPERATING RANGES
(9)
(7)
(1)
(2)
V CC
T A
I OH
I OL
Symbol
LOAD
ENP
ENT
U/D
CP
Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
CP
DATA
(14)
Q A
D
(3)
P 0
CP
Parameter
(13)
DATA
Q B
D
(4)
P 1
FAST AND LS TTL DATA
SN54/74LS669
LOGIC DIAGRAM
CP
5-2
DATA
(12)
Q C
D
(5)
P 2
54, 74
54
74
54
74
54
74
4.75
– 55
Min
4.5
0
CP
DATA
(11)
(6)
P 3
Q D
D
Typ
5.0
5.0
25
25
– 0.4
Max
5.25
125
5.5
4.0
8.0
70
(RIPPLE CARRY
RCO
OUTPUT)
Unit
mA
mA
V
C
(15)