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參數(shù)資料
| 型號： | SN54ALS162B |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS |
| 中文描述： | 同步4位二進(jìn)制計(jì)數(shù)器十年 |
| 文件頁數(shù)： | 7/14頁 |
| 文件大小： | 220K |
| 代理商： | SN54ALS162B |
SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, SN54AS163
SN74ALS161B, SN74ALS163B, SN74AS161, SN74AS163
SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
SDAS276 – DECEMBER 1994
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
Input voltage, V
I
Operating free-air temperature range, T
A
: SN54ALS161B, SN54ALS162B,
7 V
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN54ALS163B
SN74ALS161B, SN74ALS163B
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55
°
C to 125
°
C
0
°
C to 70
°
C
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
Storage temperature range
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN54ALS161B
SN54ALS162B
SN54ALS163B
SN74ALS161B
SN74ALS163B
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
VCC
VIH
VIL
IOH
IOL
fclock
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.7
0.8
V
High-level output current
–0.4
–0.4
mA
Low-level output current
4
8
mA
Clock frequency
0
22
0
40
MHz
tw
Pulse duration
CLR high or low
′
ALS161B
A, B, C, D
20
12.5
ns
CLR low
20
15
50
15
LOAD
′
ALS161B
SN54ALS162B,
′
ALS163B
′
ALS161B
20
15
S t
Setup time
before CLK
↑
ENP ENT
ENP, ENT
25
15
tsu
20
15
ns
CLR inactive
10
10
′
SN54ALS162B,
ALS163B
CLR low
20
15
CLR high
20
10
th
TA
Hold time, all synchronous inputs after CLK
↑
Operating free-air temperature
0
0
ns
°
C
–55
125
0
70
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