IDT54/74FCT16823AT/BT/CT/ET, 162823AT/BT/CT/ET
FAST CMOS 18-BIT REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Pin Names
xDx
xCLK
x
CLKEN
x
CLR
x
OE
xQx
Description
Data inputs
Clock Inputs
Clock Enable Inputs (Active LOW)
Asynchronous clear Inputs
(Active LOW)
Output Enable Inputs (Active LOW)
3-State Outputs
2772 tbl 01
FUNCTION TABLE
(1)
x
OE
H
L
L
H
H
L
L
x
CLR
X
L
H
H
H
H
H
Inputs
x
CLKEN
X
X
H
L
L
L
L
xCLK
X
X
X
↑
↑
↑
↑
xDx
X
X
X
L
H
L
H
Outputs
xQx Function
Z
L
Q
(2)
Z
Z
L
H
High Z
Clear
Hold
Load
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
Description
Max.
(2)
Terminal Voltage with Respect to –0.5 to +7.0
V
TERM
GND
V
TERM(3)
Terminal Voltage with Respect to
–0.5 to
GND
V
CC
+0.5
T
STG
Storage Temperature
–65 to +150
I
OUT
DC Output Current
–60 to +120
Unit
V
V
°C
mA
NOTES:
2772 tbl 02
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High Impedance
2. Output level before indicated steady-state input conditions were estab-
lished.
CAPACITANCE
(T
A
= +25°C, f = 1.0MHz)
Symbol
Parameter
(1)
C
IN
Input
Capacitance
C
OUT
Output
Capacitance
Conditions
V
IN
= 0V
V
OUT
= 0V
Typ.
3.5
3.5
Max. Unit
6.0
pF
8.0
pF
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.
2. All device terminals except FCT162XXXT Output and I/O terminals.
3. Output and I/O terminals for FCT162XXXT.
2772 lnk 03
2772 lnk 04
NOTE:
1. This parameter is measured at characterization but not tested.
5.16
3
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
