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參數(shù)資料
| 型號： | SN54AHC125FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS |
| 中文描述： | 翻兩番總線緩沖器門，三態(tài)輸出 |
| 文件頁數(shù)： | 3/19頁 |
| 文件大小： | 650K |
| 代理商： | SN54AHC125FK |
SN54AHC125, SN74AHC125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS256J
–
DECEMBER 1995
–
REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHC125
MIN
SN74AHC125
MIN
UNIT
MAX
MAX
VCC
Supply voltage
2
5.5
2
5.5
V
VCC = 2 V
VCC = 3 V
VCC = 5.5 V
VCC = 2 V
VCC = 3 V
VCC = 5.5 V
1.5
1.5
VIH
High-level input voltage
2.1
2.1
V
3.85
3.85
0.5
0.5
VIL
Low-level input voltage
0.9
0.9
V
1.65
1.65
VI
VO
Input voltage
0
5.5
0
5.5
V
Output voltage
0
VCC
–
50
0
VCC
–
50
V
VCC = 2 V
VCC = 3.3 V
±
0.3 V
VCC = 5 V
±
0.5 V
VCC = 2 V
VCC = 3.3 V
±
0.3 V
VCC = 5 V
±
0.5 V
VCC = 3.3 V
±
0.3 V
VCC = 5 V
±
0.5 V
A
IOH
High-level output current
–
4
–
4
mA
–
8
–
8
50
50
A
IOL
Low-level output current
4
4
mA
8
8
t/
v
Input transition rise or fall rate
100
100
ns/V
20
20
TA
Operating free-air temperature
–
55
125
–
40
85
°
C
NOTE 4: 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
SN54AHC125
MIN
1.9
SN74AHC125
MIN
1.9
UNIT
MIN
1.9
MAX
MAX
MAX
2 V
2
IOH =
–
50 A
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
IOH =
–
4 mA
IOH =
–
8 mA
3 V
2.58
2.48
2.48
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 A
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 8 mA
VI = 5.5 V or GND
VO = VCC or GND
VI = VCC or GND,
VI = VCC or GND
3 V
0.36
0.5
0.44
4.5 V
0.36
0.5
0.44
II
IOZ
ICC
Ci
0 V to 5.5 V
±
0.1
±
0.25
±
1*
±
2.5
40
±
1
A
5.5 V
±
2.5
40
A
IO = 0
5.5 V
4
A
5 V
4
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
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