IDT54FCT2374 Datasheet PDF - Integrated Device Technology
| Part Number | IDT54FCT2374 | |
| Description | FAST CMOS OCTAL D REGISTERS (3-STATE) | |
| Manufacturers | Integrated Device Technology | |
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Integrated Device Technology, Inc.
FAST CMOS OCTAL D IDT54/74FCT374T/AT/CT/DT - 2374T/AT/CT
REGISTERS (3-STATE)
IDT54/74FCT534T/AT/CT
IDT54/74FCT574T/AT/CT/DT - 2574T/AT/CT
FEATURES:
• Common features:
– Low input and output leakage ≤1µA (max.)
– CMOS power levels
– True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 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 IOH, 48mA IOL)
• Features for FCT2374T/FCT2574T:
– Std., A, and C speed grades
– Resistor outputs (-15mA IOH, 12mA IOL Com.)
(-12mA IOH, 12mA IOL Mil.)
– Reduced system switching noise
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.
FUNCTIONAL BLOCK DIAGRAM FCT374/FCT2374T AND FCT574/FCT2574T
D0 D1 D2 D3 D4 D5
CP
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
D6
CP D
Q
D7
CP D
Q
OE
Q0 Q1 Q2
FUNCTIONAL BLOCK DIAGRAM FCT534T
D0 D1 D2
CP
CP D
Q
CP D
Q
CP D
Q
Q3
D3
CP D
Q
Q4
D4
CP D
Q
Q5
D5
CP D
Q
Q6 Q7
2569 drw 01
D6 D7
CP D
Q
CP D
Q
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2569 drw 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
6.13
AUGUST 1995
DSC-4214/5
1
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IDT54/74FCT374T/AT/CT/DT - 2374T/AT/CT, IDT54/74FCT534T/AT/CT, IDT54/74FCT574T/AT/CT/DT - 2574T/AT/CT
FAST CMOS OCTAL D REGISTERS (3-STATE)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min. Typ.(2) Max. Unit
∆ICC
Quiescent Power Supply Current VCC = Max.
TTL Inputs HIGH
VIN = 3.4V(3)
— 0.5 2.0 mA
ICCD
IC
Dynamic Power Supply
Current(4)
Total Power Supply Current(6)
VCC = Max.
Outputs Open
OE = GND
One Input Toggling
50% Duty Cycle
VCC = Max.
Outputs Open
VIN = VCC FCTxxxT
— 0.15 0.25 mA/
VIN = GND
MHz
FCT2xxxT — 0.06 0.12
VIN = VCC FCTxxxT — 1.5 3.5 mA
VIN = GND
fCP = 10MHz
50% Duty Cycle
OE = GND
fi = 5MHz
FCT2xxxT — 0.6 2.2
VIN = 3.4 FCTxxxT — 2.0 5.5
VIN = GND
50% Duty Cycle
FCT2xxxT
1.1 4.2
One Bit Toggling
VCC = Max.
VIN = VCC FCTxxxT — 3.8 7.3(5)
Outputs Open
VIN = GND
fCP = 10MHz
FCT2xxxT —
1.5 4.0(5)
50% Duty Cycle
OE = GND
VIN = 3.4 FCTxxxT — 6.0 16.3(5)
Eight Bits Toggling
VIN = GND
fi = 2.5MHz
FCT2xxxT —
3.8 13.0(5)
50% Duty Cycle
NOTES:
2569 tbl 08
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V). All other inputs at VCC or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fiNi)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fi = Input Frequency
Ni = Number of Inputs at fi
All currents are in milliamps and all frequencies are in megahertz.
6.13 5
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| Information | Total 8 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ IDT54FCT2374.PDF Datasheet ] | |
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