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Número de pieza | IDT54FCT374EB | |
Descripción | FAST CMOS OCTAL D REGISTERS (3-STATE) | |
Fabricantes | Integrated Device Technology | |
Logotipo | ||
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Integrated Device Technology, Inc.
FAST CMOS OCTAL D
REGISTERS (3-STATE)
IDT54/74FCT374/A/C
IDT54/74FCT534/A/C
IDT54/74FCT574/A/C
FEATURES:
• IDT54/74FCT374/534/574 equivalent to FAST™ speed
and drive
• IDT54/74FCT374A/534A/574A up to 30% faster than
FAST
• IDT54/74FCT374C/534C/574C up to 50% faster than
FAST
• IOL = 48mA (commercial) and 32mA (military)
• CMOS power levels (1mW typ. static)
• Edge triggered master/slave, D-type flip-flops
• Buffered common clock and buffered common three-
state control
• Product available in Radiation Tolerant and Radiation
Enhanced versions
• Military product compliant to MIL-STD-883, Class B
• Meets or exceeds JEDEC Standard 18 specifications
DESCRIPTION:
The IDT54/74FCT374/A/C, IDT54/74FCT534/A/C and
IDT54/74FCT574/A/C are 8-bit registers built using an ad-
vanced 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)
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 O outputs on the LOW-to-
HIGH transition of the clock input.
The IDT54/74FCT374/A/C and IDT54/74FCT574/A/ C have
non-inverting outputs with respect to the data at the D inputs.
The IDT54/74FCT534/A/C have inverting outputs.
FUNCTIONAL BLOCK DIAGRAM IDT54/74FCT374 AND IDT54/74FCT574
D0 D1 D2 D3 D4 D5
CP
CP D
CP D
CP D
CP D
CP D
CP D
Q QQ Q Q Q
D6
CP D
Q
D7
CP D
Q
OE
O0 O1 O2 O3
FUNCTIONAL BLOCK DIAGRAM IDT54/74FCT534
D0 D1 D2 D3
CP
CP D
CP D
CP D
CP D
Q QQ Q
O4
D4
CP D
Q
O5
D5
CP D
Q
O6
D6
CP D
Q
O7
2603 cnv* 01
D7
CP D
Q
OE
O0 O1 O2 O3 O4 O5 O6 O7
2603 cnv* 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FAST is a trademark of National Semiconductor, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1992 Integrated Device Technology, Inc.
7.13
MAY 1992
DSC-4622/2
1
1 page IDT54/74FCT374/534/574/A/C
FAST CMOS OCTAL D REGISTERS (3-STATE)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
VLC = 0.2V; VHC = VCC – 0.2V
Symbol
Parameter
Test Conditions(1)
Min. Typ.(2) Max. Unit
ICC
Quiescent Power Supply Current VCC = Max.
VIN ≥ VHC; V IN ≤ VLC
— 0.2 1.5 mA
∆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
fCP = 10MHz
50% Duty Cycle
OE = GND
fi = 5MHz
50% Duty Cycle
One Bit Toggling
VIN ≥ VHC
VIN ≤ VLC
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
— 0.15 0.25 mA/
MHz
— 1.7 4.0 mA
— 2.2 6.0
VCC = Max.
Outputs Open
fCP = 10MHz
50% Duty Cycle
OE = GND
Eight Bits Toggling
fi = 2.5MHz
50% Duty Cycle
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
— 4.0 7.8(5)
— 6.2 16.8(5)
NOTES:
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.
2603 tbl 04
7.13 5
5 Page |
Páginas | Total 8 Páginas | |
PDF Descargar | [ Datasheet IDT54FCT374EB.PDF ] |
Número de pieza | Descripción | Fabricantes |
IDT54FCT374E | FAST CMOS OCTAL D REGISTERS (3-STATE) | Integrated Device Technology |
IDT54FCT374EB | FAST CMOS OCTAL D REGISTERS (3-STATE) | Integrated Device Technology |
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