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| 型號： | SN54ALS163BFK |
| 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位二進制計數(shù)器十年 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 220K |
| 代理商： | SN54ALS163BFK |
SN54ALS161B, SN54ALS162B, SN54ALS163B, SN54AS161, SN54AS163
SN74ALS161B, SN74ALS163B, SN74AS161, SN74AS163
SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS
SDAS276 – DECEMBER 1994
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS161B
SN54ALS162B
SN54ALS163B
TYP
SN74ALS161B
SN74ALS163B
UNIT
MIN
MAX
MIN
TYP
MAX
VIK
VOH
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = –0.4 mA
IOL = 4 mA
IOL = 8 mA
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
–1.5
–1.5
V
VCC –2
VCC –2
V
VOL
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.25
0.4
V
0.35
0.5
II
IIH
IIL
IO
ICC
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V
0.1
0.1
mA
μ
A
mA
20
20
–0.2
–0.2
–20
–112
–30
–112
mA
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.
switching characteristics (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500
,
TA = MIN to MAX§
SN54ALS161B
MIN
MAX
UNIT
SN74ALS161B
MIN
MAX
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
22
40
MHz
CLK
RCO
5
34
5
20
ns
5
27
5
20
CLK
Any Q
4
19
4
15
ns
6
25
6
20
ENT
RCO
3
18
3
13
ns
3
17
3
13
tPHL
CLR
Any Q
RCO
8
27
32
8
24
23
ns
11
11
§For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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