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參數(shù)資料
| 型號(hào)： | 74AC11257PWRE4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS |
| 中文描述： | 四2線1線數(shù)據(jù)選擇器/多路轉(zhuǎn)換具有三態(tài)輸出 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 309K |
| 代理商： | 74AC11257PWRE4 |
SCAS049C MARCH 1989 REVISED MAY 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
MIN
NOM
MAX
UNIT
VCC
Supply voltage
3
5
5.5
V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
2.1
VIH
High-level input voltage
3.15
V
3.85
0.9
VIL
Low-level input voltage
1.35
V
1.65
VI
VO
Input voltage
0
VCC
VCC
4
V
Output voltage
0
V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
IOH
High-level output current
24
mA
24
12
IOL
Low-level output current
24
mA
24
t/ v
Input transition rise or fall rate
10
ns/V
°
C
TA
Operating free-air temperature
40
85
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
MIN
MAX
UNIT
MIN
2.9
MAX
3 V
2.9
IOH = 50 A
4.5 V
4.4
4.4
5.5 V
5.4
5.4
VOH
IOH = 4 mA
3 V
2.58
2.48
V
IOH = 24 mA
4.5 V
3.94
3.8
5.5 V
4.94
4.8
IOH = 75 mA
5.5 V
3.85
3 V
0.1
0.1
IOL = 50 A
4.5 V
0.1
0.1
5.5 V
0.1
0.1
VOL
IOL = 12 mA
3 V
0.36
0.44
V
IOL = 24 mA
4.5 V
0.36
0.44
5.5 V
0.36
0.44
IOL = 75 mA
VO = VCC or GND
VI = VCC or GND
VI = VCC or GND,
VI = VCC or GND
VO = VCC or GND
5.5 V
1.65
±
5
±
1
80
IOZ
II
ICC
Ci
Co
5.5 V
±
0.5
±
0.1
A
5.5 V
A
IO = 0
5.5 V
8
A
5 V
3.5
pF
5.5 V
8
pF
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
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