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參數(shù)資料
| 型號： | 74ACT11190 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Up/Down Decade Counters(4位同步十進(jìn)制計(jì)數(shù)器) |
| 中文描述： | 同步4位向上/向下計(jì)數(shù)器十年（4位同步十進(jìn)制計(jì)數(shù)器） |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 167K |
| 代理商： | 74ACT11190 |
54ACT11190, 74ACT11190
SYNCHRONOUS 4-BIT UP/DOWN DECADE COUNTERS
SCAS383 – MARCH 1990
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
6
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
54ACT11190
MIN
4.4
74ACT11190
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
IOH= – 50 A
IOH = – 50 A
4.5 V
V
5.5 V
5.4
5.4
5.4
IOH= – 24 mA
IOH = – 24 mA
4.5 V
3.94
3.7
3.8
5.5 V
4.94
4.7
4.8
IOH = – 50 mA
IOH = – 75 mA
5.5 V
3.85
5.5 V
3.85
VOL
IOL= 50 A
IOL = 50 A
4.5 V
0.1
0.1
0.1
V
5.5 V
0.1
0.1
0.1
IOL= 24 mA
IOL = 24 mA
4.5 V
0.36
0.5
0.44
5.5 V
0.36
0.5
0.44
IOL = 50 mA
IOL = 75 mA
VI = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at GND or VCC
VI = VCC or GND
5.5 V
1.65
5.5 V
1.65
±
1
80
II
ICC
5.5 V
±
0.1
±
1
160
A
IO = 0
5.5 V
8
A
5 5 V
5.5 V
0 9
0.9
1
1
mA
ICC
Ci
5 V
4
pF
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V to VCC.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
54ACT11190
MIN
74ACT11190
MIN
UNIT
MAX
MAX
MAX
fclock
Clock frequency
MHz
tw
Pulse duration
LOAD low
ns
CLK high or low
Data before LOAD
↑
CTEN before CLK
↑
D/U before CLK
↑
LOAD inactive before CLK
↑
Data after LOAD
↑
CTEN after CLK
↑
D/U after CLK
↑
Setup time
tsu
ns
H ld i
Hold time
th
ns
P
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