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SN74LS669 Datasheet(PDF) 2 Page - ON Semiconductor

Part # SN74LS669
Description  SYNCHRONOUS 4-BIT UP/DOWN COUNTER
PDF  4 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

SN74LS669 Datasheet(HTML) 2 Page - ON Semiconductor

  SN74LS669 Datasheet HTML 1Page - ON Semiconductor SN74LS669 Datasheet HTML 2Page - ON Semiconductor SN74LS669 Datasheet HTML 3Page - ON Semiconductor SN74LS669 Datasheet HTML 4Page - ON Semiconductor  
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SN74LS669
http://onsemi.com
2
CONNECTION DIAGRAM (TOP VIEW)
14
13
12
11
10
9
12345
6
7
16
15
8
VCC
U/D
RIPPLE
CARRY
OUTPUT
QA
QB
QC
ENABLE
T
QD
LOAD
CK
A
B
C
D
ENABLE
P
GND
UP/DOWN
OUTPUTS
CK
A
B
C
D
ENABLE
P
LOAD
ENABLE
T
RIPPLE
CARRY
OUTPUT
QA
QB
QC
QD
DATA INPUTS
LOGIC DIAGRAM
(9)
(7)
(10)
(1)
(2)
LOAD
ENP
ENT
U/D
CP
DATA
DATA
DATA
DATA
RCO
QA
QB
QC
QD
(14)
(13)
(12)
(11)
(15)
P3
P2
P1
P0
(3)
(4)
(5)
(6)
(RIPPLE CARRY
OUTPUT)
CP
D
CP
D
CP
D
CP
D
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
−55
0
25
25
125
70
°C
IOH
Output Current — High
54, 74
−0.4
mA
IOL
Output Current — Low
54
74
4.0
8.0
mA



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