IDT74FCT157DT(2006) Просмотр технического описания (PDF) - Integrated Device Technology
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IDT74FCT157DT Datasheet PDF : 6 Pages
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IDT74FCT157AT/CT/DT
FAST CMOS QUAD 2-INPUT MULTIPLEXER
PIN CONFIGURATION
S
1
I0A
2
I1A
3
ZA
4
I0B
5
I1B
6
ZB
7
GND
8
16
VCC
15 E
14
I0C
13
I1C
12
ZC
11
I0D
10
I1D
9
ZD
SOIC/ QSOP
TOP VIEW
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
Max
Unit
VTERM(2) Terminal Voltage with Respect to GND
–0.5 to +7
V
VTERM(3) Terminal Voltage with Respect to GND –0.5 to VCC+0.5 V
TSTG Storage Temperature
–65 to +150
°C
IOUT DC Output Current
–60 to +120 mA
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS 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
Vcc by +0.5V unless otherwise noted.
2. Inputs and Vcc terminals only.
3. Output and I/O terminals only.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Symbol
Parameter(1)
Conditions Typ. Max. Unit
CIN
Input Capacitance
VIN = 0V
6
10 pF
COUT
Output Capacitance VOUT = 0V
8
12 pF
NOTE:
1. This parameter is measured at characterization but not tested.
PIN DESCRIPTION
Pin Names
I0A - I0D
I1A - I1D
E
S
ZA - ZD
Description
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input (Active LOW)
Select Input
Outputs
FUNCTION TABLE(1)
Inputs
E
S
I0
I1
H
X
X
X
L
H
X
L
L
H
X
H
L
L
L
X
L
L
H
X
NOTE:
1. H = HIGH Voltage Level
X = Don’t Care
L = LOW Voltage Level
Z = High Impedance
Outputs
Zx
L
L
H
L
H
2
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