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參數(shù)資料
| 型號： | SN54ALS561AFK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | SYNCHRONOUS 4-BIT COUNTERS WITH 3-STATE OUTPUTS |
| 中文描述： | 同步4位計(jì)數(shù)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 154K |
| 代理商： | SN54ALS561AFK |
SN54ALS561A, SN74ALS561A
SYNCHRONOUS 4-BIT COUNTERS
WITH 3-STATE OUTPUTS
SDAS225A – DECEMBER 1982 – REVISED JANUARY 1995
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS561A
MIN
TYP
SN74ALS561A
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = –0.4 mA
IOH = –1 mA
IOH = –2.6 mA
IOL = 12 mA
IOL = 24 mA
IOL = 4 mA
IOL = 8 mA
VO = 2.7 V
VO = 0.4 V
–1.5
–1.5
V
All outputs
VCC –2
2.4
VCC –2
VOH
Q outputs
VCC= 4 5 V
VCC = 4.5 V
3.3
V
2.4
3.2
Q outputs
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.25
0.4
VOL
0.35
0.5
V
CCO and RCO
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.25
0.4
0.35
0.5
IOZH
IOZL
VCC = 5.5 V,
VCC = 5.5 V,
20
20
μ
A
μ
A
–20
–20
II
ENP and ENT
VCC= 5 5 V
VCC = 5.5 V,
VI= 7 V
VI = 7 V
0.2
0.2
mA
Other inputs
0.1
0.1
IIH
ENP and ENT
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
40
40
μ
A
Other inputs
20
20
IIL
VCC = 5.5 V,
VI = 0.4 V
–0.2
–0.2
mA
I
IO
CCO and RCO
VCC= 5 5 V
VCC = 5.5 V,
VO= 2 25 V
VO = 2.25 V
–15
–70
–15
–70
mA
Q
–20
–112
–30
–112
Outputs high
17
27
17
27
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
21
22
33
36
21
22
33
36
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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