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參數(shù)資料
| 型號(hào)： | SN54F242 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 翻兩番總線收發(fā)器與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 75K |
| 代理商： | SN54F242 |
SN54F242, SN74F242
QUADRUPLE BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SDFS062A – D2932, MARCH 1987 – REVISED OCTOBER 1993
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Input current range
Voltage range applied to any output in the disabled or power-off state
Voltage range applied to any output in the high state
Current into any output in the low state: SN54F242
–0.5 V to 7 V
–1.2 V to 7 V
–30 mA to 5 mA
–0.5 V to 5.5 V
–0.5 V to V
CC
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96 mA
128 mA
SN74F242
SN54F242
SN74F242
Operating free-air temperature range:
–55
°
C to 125
°
C
0
°
C to 70
°
C
–65
°
C to 150
°
C
Storage temperature range
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
SN54F242
MIN
NOM
SN74F242
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input clamp current
–18
–18
mA
High-level output current
– 12
– 15
mA
Low-level output current
48
64
mA
°
C
Operating free-air temperature
–55
125
0
70
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