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參數(shù)資料
| 型號(hào)： | SN54AHCT245FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大?。?/td> | 739K |
| 代理商： | SN54AHCT245FK |
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SCLS233N OCTOBER 1995 REVISED MARCH 2005
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54AHCT245
MIN
SN74AHCT245
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
IOH
IOL
t/
v
TA
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.
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
SN54AHCT245
SN74AHCT245
UNIT
MIN
4.4
MAX
MIN
4.4
MAX
MIN
4.4
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
VI = VCC or GND
4.5 V
4.5
V
3.94
3.8
3.8
VOL
4.5 V
0.1
0.1
0.1
V
0.36
±
0.1
0.44
±
1*
0.44
±
1
II
IOZ
ICC
OE or DIR
A or B inputs
0 V to 5.5 V
A
5.5 V
±
0.25
±
2.5
±
2.5
A
IO = 0
5.5 V
4
40
40
A
ICC
5.5 V
1.35
1.5
1.5
mA
Ci
Cio
OE or DIR
5 V
2.5
10
10
pF
A or B inputs
5 V
4
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
For I/O ports, the parameter IOZ includes the input leakage current.
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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| SN54AHCT245J | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
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| SN74AHCU04DB | HEX INVERTERS |
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相關(guān)代理商/技術(shù)參數(shù) |
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| SN54AHCT245J | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54AHCT245W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54AHCT257 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
| SN54AHCT257FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
| SN54AHCT257J | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
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