參數(shù)資料
型號(hào)： IDT54FCT2257ATQB
廠商： Integrated Device Technology, Inc.
英文描述： FAST CMOS QUAD 2-INPUT MULTIPLEXER
中文描述： 快速CMOS四路2輸入多路復(fù)用器
文件頁(yè)數(shù)： 2/7頁(yè)
文件大小： 135K
代理商： IDT54FCT2257ATQB
6.6
2
IDT54/74FCT157T/AT/CT/DT, IDT54/74FCT257T/AT/CT/DT- 2257T/AT/CT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Pin Names
I
0A
–I
0D
I
1A
–I
1D
E
Description
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input (Active LOW)–FCT157T
Output Enable (Active LOW)–FCT257T/2257T
Select Input
Outputs
OE
S
Z
A
–Z
D
2537 tbl 01
FUNCTION TABLE
(1)
Inputs
Output Z
N
157
L
L
H
L
H
E
/
OE
H
L
L
L
L
S
X
H
H
L
L
I
0
X
X
X
L
H
I
1
X
L
H
X
X
257
Z
L
H
L
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High Impedance
2537 tbl 02
ABSOLUTE MAXIMUM RATINGS
(1)
CAPACITANCE
(T
A
= +25
°
C, f = 1.0MHz)
Symbol
Parameter
(1)
C
IN
Input
Capacitance
C
OUT
Output
Capacitance
NOTE:
1. This parameter is measured at characterization but not tested.
Symbol
V
TERM(2)
Terminal Voltage
with Respect to
GND
V
TERM(3)
Terminal Voltage
with Respect to
GND
T
A
Operating
Temperature
T
BIAS
Temperature
Under Bias
T
STG
Storage
Temperature
P
T
Power Dissipation
Rating
Commercial
–0.5 to +7.0
Military
–0.5 to +7.0
Unit
V
–0.5 to
V
CC
+0.5
–0.5 to
V
CC
+0.5
V
0 to +70
–55 to +125
°
C
–55 to +125
–65 to +135
°
C
–55 to +125
–65 to +150
°
C
0.5
0.5
W
I
OUT
DC Output
Current
–60 to +120 –60 to +120 mA
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is
not
implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability. No terminal voltage may exceed
V
CC
by +0.5V unless otherwise noted.
2. Input and V
CC
terminals only.
3. Outputs and I/O terminals only.
Conditions
V
IN
= 0V
Typ.
6
Max. Unit
10
pF
V
OUT
= 0V
8
12
pF
2537 lnk 03
2537 lnk 04
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