![](http://datasheet.mmic.net.cn/330000/IDT54FCT2374TDB_datasheet_16400016/IDT54FCT2374TDB_1.png)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AUGUST 1995
1995 Integrated Device Technology, Inc.
6.13
DSC-4214/5
1
Integrated Device Technology, Inc.
DESCRIPTION
The FCT374T/FCT2374T, FCT534T and FCT574T/
FCT2574T are 8-bit registers built using an advanced dual
metal CMOS technology. These registers consist of eight D-
type flip-flops with a buffered common clock and buffered 3-
state output control. When the output enable (
OE
) input is
LOW, the eight outputs are enabled. When the
OE
input is
HIGH, the outputs are in the high-impedance state.
Input data meeting the set-up and hold time requirements
of the D inputs is transferred to the Q outputs on the LOW-to-
HIGH transition of the clock input.
The FCT2374T and FCT2574T have balanced output drive
with current limiting resistors. This offers low ground bounce,
minimal undershoot and controlled output fall times-reducing
the need for external series terminating resistors. FCT2xxxT
parts are plug-in replacements for FCTxxxT parts.
FAST CMOS OCTAL D
REGISTERS (3-STATE)
FEATURES:
Common features:
–
Low input and output leakage
≤
1
μ
A (max.)
–
CMOS power levels
–
True TTL input and output compatibility
– V
OH
= 3.3V (typ.)
– V
OL
= 0.3V (typ.)
–
Meets or exceeds JEDEC standard 18 specifications
–
Product available in Radiation Tolerant and Radiation
Enhanced versions
–
Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
–
Available in DIP, SOIC, SSOP, QSOP, CERPACK
and LCC packages
Features for FCT374T/FCT534T/FCT574T:
–
Std., A, C and D speed grades
–
High drive outputs (-15mA I
OH
, 48mA I
OL
)
Features for FCT2374T/FCT2574T:
–
Std., A, and C speed grades
–
Resistor outputs
(-15mA I
OH
, 12mA I
OL
Com.)
(-12mA I
OH
, 12mA I
OL
Mil.)
–
Reduced system switching noise
D
0
Q
0
D
1
Q
1
D
2
Q
2
D
3
Q
3
D
4
Q
4
D
5
Q
5
D
6
Q
6
D
7
Q
7
CP
OE
D
Q
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
CP
D
CP
2569 drw 01
Q
Q
Q
Q
Q
Q
Q
2569 drw 02
D
0
Q
0
D
1
Q
1
D
2
Q
2
D
3
Q
3
D
4
Q
4
D
5
Q
5
D
6
Q
6
D
7
Q
7
CP
OE
D
Q
CP
D
Q
CP
D
Q
CP
D
Q
CP
D
Q
CP
D
Q
CP
D
Q
CP
D
Q
CP
FUNCTIONAL BLOCK DIAGRAM FCT534T
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDT54/74FCT374T/AT/CT/DT - 2374T/AT/CT
IDT54/74FCT534T/AT/CT
IDT54/74FCT574T/AT/CT/DT - 2574T/AT/CT
FUNCTIONAL BLOCK DIAGRAM FCT374/FCT2374T AND FCT574/FCT2574T