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参数资料
| 型号： | SNJ54AS162FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 计数器 |
| 英文描述： | AS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, CQCC20 |
| 封装： | CERAMIC, CC-20 |
| 文件页数： | 8/11页 |
| 文件大小： | 160K |
| 代理商： | SNJ54AS162FKR |
Setup time
before CLK
↑
ns
tw
Pulse duration
ENP, ENT
’ALS162B, ’ALS163B
UNIT
VOL
V
TEST CONDITIONS
PARAMETER
SN54ALS160B THRU SN54ALS163B
SN74ALS160B THRU SN74ALS163B
SYNCHRONOUS 4-BIT DECADE COUNTERS
SDAS024A – D2661, APRIL 1982 – REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
6
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range:
SN54ALS160B thru SN54ALS163B
– 55
°C to 125°C
. . . . . . . . . . .
SN74ALS160B thru SN74ALS163B
0
°C to 70°C
. . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
SN54ALS160B
THRU
SN54ALS163B
SN74ALS160B
THRU
SN74ALS163B
MIN
NOM
MAX
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High-level output current
– 0.4
mA
IOL
Low-level output current
4
8
mA
fclock
Clock frequency
0
22
0
40
MHz
CLR high or low
20
12.5
’ALS160B, ’ALS161B CLR low
20
15
A, B, C, D
50
15
LOAD
20
15
’ALS160B, ’ALS161B
25
15
tsu
’ALS162B, ’ALS163B
20
15
ns
’ALS160B, ’ALS161B
CLR inactive
10
CLR low
20
15
CLR high (inactive)
10
th
Hold time, all synchronous inputs after CLK
↑
0
ns
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54ALS160B
THRU
SN54ALS163B
SN74ALS160B
THRU
SN74ALS163B
MIN
TYP
MAX
MIN
TYP
MAX
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
VOH
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC–2
V
VCC = 4.5 V,
IOL = 4 mA
0.25
0.4
0.25
0.4
VCC = 4.5 V,
IOL = 8 mA
0.35
0.5
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
– 0.2
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
ICC
VCC = 5.5 V
12
21
12
21
mA
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
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