IDT54FCT162500AT データシートの表示（PDF） - Integrated Device Technology
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IDT54FCT162500AT Datasheet PDF : 8 Pages
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IDT54/74FCT16500AT/CT/ET, 162500AT/CT/ET
FAST CMOS 18-BIT REGISTERED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Pin Names
Description
OEAB
OEBA
A-to-B Output Enable Input
B-to-A Output Enable Input (Active LOW)
LEAB
A-to-B Latch Enable Input
LEBA
CLKAB
CLKBA
B-to-A Latch Enable Input
A-to-B Clock Input (Active LOW)
B-to-A Clock Input (Active LOW)
Ax
A-to-B Data Inputs or B-to-A 3-State Outputs
Bx
B-to-A Data Inputs or A-to-B 3-State Outputs
2548 tbl 01
FUNCTION TABLE(1,4)
OEAB
Inputs
LEAB CLKAB
Outputs
Ax
Bx
L
X
X
X
Z
H
H
X
L
L
H
H
X
H
H
H
L
↓
L
L
H
L
↓
H
H
H
L
H
X
B(2)
H
L
L
X
B(3)
NOTES:
2548 tbl 02
1. A-to-B data flow is shown. B-to-A data flow is similar but uses OEBA,
LEBA, and CLKBA.
2. Output level before the indicated steady-state input conditions were
established.
3. Output level before the indicated steady-state input conditions were
established, provided that CLKAB was LOW before LEAB went LOW.
4. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
Z = High-impedance
↓ = HIGH-to-LOW Transition
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Description
VTERM(2) Terminal Voltage with Respect to
GND
VTERM(3) Terminal Voltage with Respect to
GND
TSTG Storage Temperature
Max.
–0.5 to +7.0
–0.5 to
VCC +0.5
–65 to +150
Unit
V
V
°C
IOUT DC Output Current
–60 to +120 mA
NOTES:
2548 lnk 03
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.
2. All device terminals except FCT162XXXT Output and I/O terminals.
3. Output and I/O terminals for FCT162XXXT.
CAPACITANCE (TA = +25°C, f = 1.0MHz)
Symbol Parameter(1) Conditions Typ. Max. Unit
CIN
Input
Capacitance
VIN = 0V
3.5 6.0 pF
CI/O
I/O
Capacitance
VOUT = 0V 3.5 8.0 pF
NOTE:
2548 lnk 04
1. This parameter is measured at characterization but not tested.
5.9
3
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