參數(shù)資料
型號(hào): 74F257A
廠商: Fairchild Semiconductor Corporation
英文描述: Quad 2-Input Multiplexer with 3-STATE Outputs
中文描述: 四2輸入多路復(fù)用器與三態(tài)輸出
文件頁(yè)數(shù): 4/10頁(yè)
文件大?。?/td> 79K
代理商: 74F257A
Philips Semiconductors
Product specification
74F257A
Quad 2-line to 1-line selector/multiplexer, non-inverting
(3-State)
1995 Mar 31
4
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
Supply voltage
–0.5 to +7.0
V
V
IN
Input voltage
–0.5 to +7.0
V
I
IN
Input current
–30 to +5
mA
V
OUT
Voltage applied to output in High output state
–0.5 to V
CC
V
I
OUT
Current applied to output in Low output state
48
mA
T
amb
Operating free air temperature range
Operating free-air temperature range
Commercial range
0 to +70
°
C
Industrial range
–40 to +85
°
C
T
stg
Storage temperature range
–65 to +150
°
C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
Supply voltage
4.5
5.0
5.5
V
V
IH
High-level input voltage
2.0
V
V
IL
Low-level input voltage
0.8
V
I
IK
Input clamp current
–18
mA
I
OH
High-level output current
–3
mA
I
OL
Low-level output current
24
mA
T
amb
Operating free air temperature range
Operating free-air temperature range
Commercial range
0
+70
°
C
Industrial range
–40
+85
°
C
相關(guān)PDF資料
PDF描述
74F257APC Quad 2-Input Multiplexer with 3-STATE Outputs
74F257ASJ Quad 2-Input Multiplexer with 3-STATE Outputs
74F258A Quad 2-line to 1-line selector/multiplexer, inverting 3-State
74F258A Quad 2-Input Multiplexer with 3-STATE Outputs
74F258APC Quad 2-Input Multiplexer with 3-STATE Outputs
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