參數(shù)資料
型號(hào)： SN54LS669J
廠商： ON SEMICONDUCTOR
元件分類： 計(jì)數(shù)器
英文描述： Quad 2-Input NAND Gate; Package: TSSOP-14; No of Pins: 14; Container: Tape and Reel; Qty per Container: 2500
中文描述： LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
封裝： CERAMIC, DIP-16
文件頁(yè)數(shù)： 3/4頁(yè)
文件大?。?/td> 132K
代理商： SN54LS669J
SN74LS669
http://onsemi.com
3
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
V
IH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
V
IL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.8
V
IK
Input Clamp Diode Voltage
0.65
1.5
V
V
CC
= MIN, I
IN
=
18 mA
V
OH
Output HIGH Voltage
54
2.5
3.5
V
V
CC
= MIN, I
OH
= MAX, V
IN
= V
IH
or V
IL
per Truth Table
74
2.7
3.5
V
V
OL
Output LOW Voltage
54, 74
0.25
0.4
V
I
OL
= 4.0 mA
V
CC
= V
CC
MIN,
V
IN
= V
IL
or V
IH
per Truth Table
74
0.35
0.5
V
I
OL
= 8.0 mA
I
IH
Input HIGH Current
Others
20
μ
A
V
CC
= MAX, V
IN
= 2.7 V
Enable T
40
μ
A
Others
0.1
mA
V
CC
= MAX, V
IN
= 7.0 V
Enable T
0.2
mA
I
IL
Input LOW Current
Others
0.4
mA
V
CC
= MAX, V
IN
= 0.4 V
Enable T
0.8
mA
I
OS
Short Circuit Current (Note 1)
20
100
mA
V
CC
= MAX
I
CC
Power Supply Current
34
mA
V
CC
= MAX
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
(T
A
= 25
°
C, V
CC
= 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
f
MAX
Maximum Clock Frequency
25
32
MHz
C
L
= 15 pF
t
PLH
t
PHL
Propagation Delay,
Clock to RCO
26
40
40
60
ns
t
PLH
t
PHL
Propagation Delay,
Clock to Any Q
18
18
27
27
ns
t
PLH
t
PHL
Enable to RCO
11
29
17
45
ns
t
PLH
t
PHL
U/D to RCO
22
26
35
40
ns
AC SETUP REQUIREMENTS
(T
A
= 25
°
C)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
t
W
Clock Pulse Width
20
ns
V
CC
= 5.0 V
t
s
Data Setup Time
20
ns
t
s
Enable Setup Time
35
ns
t
s
Load Setup Time
25
ns
t
s
U/D Setup Time
30
ns
t
h
Hold Time, Any Input
0
ns
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