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參數(shù)資料
| 型號： | SN54AHCT126W |
| 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)： | 3/17頁 |
| 文件大?。?/td> | 556K |
| 代理商： | SN54AHCT126W |
SN54AHCT126, SN74AHCT126
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS265O
–
DECEMBER 1995
–
REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AHCT126
MIN
SN74AHCT126
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
IOH
IOL
t/
v
TA
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.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
5.5
0
5.5
V
Output voltage
0
VCC
–
8
0
VCC
–
8
V
High-level output current
mA
Low-level output current
8
8
mA
Input transition rise or fall rate
20
20
ns/V
°
C
Operating free-air temperature
–
55
125
–
40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
SN54AHCT126
MIN
4.4
SN74AHCT126
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
IOH =
–
50 A
IOH =
–
8 mA
IOL = 50 A
IOL = 8 mA
VI = 5.5 V or GND
VO = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at VCC or GND
VI = VCC or GND
VO = VCC or GND
4 5 V
4.5 V
4.5
V
3.94
3.8
3.8
VOL
4 5 V
4.5 V
0.1
0.1
0.1
V
0.36
±
0.1
±
0.25
0.44
±
1*
±
2.5
20
0.44
±
1
±
2.5
20
II
IOZ
ICC
0 V to 5.5 V
A
5.5 V
A
IO = 0
5.5 V
2
A
ICC
5.5 V
1.35
1.5
1.5
mA
Ci
Co
5 V
4
10
10
pF
5 V
15
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.
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