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PDF IDT54FCT2827 Data sheet ( Hoja de datos )

Número de pieza IDT54FCT2827
Descripción FAST CMOS 10-BIT BUFFERS
Fabricantes Integrated Device Technology 
Logotipo Integrated Device Technology Logotipo



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IDT54/74FCT827AT/BT/CT/DT, IDT54/74FCT2827AT/BT/CT
HIGH-PERFORMANCE CMOS BUFFERS
FAST CMOS 10-BIT
BUFFERS
Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT827AT/BT/CT/DT
IDT54/74FCT2827AT/BT/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 FCT827T:
– A, B, C and D speed grades
– High drive outputs (-15mA IOH, 48mA IOL)
• Features for FCT2827T:
– A, B and C speed grades
– Resistor outputs (-15mA IOH, 12mA IOL Com.)
(-12mA IOH, 12mA IOL Mil.)
– Reduced system switching noise
DESCRIPTION:
The FCT827T is built using an advanced dual metal CMOS
technology.
The FCT827T/FCT2827T 10-bit bus drivers provide high-
performance bus interface buffering for wide data/address
paths or buses carrying parity. The 10-bit buffers have NAND-
ed output enables for maximum control flexibility.
All of the FCT827T high-performance interface family are
designed for high-capacitance load drive capability, while
providing low-capacitance bus loading at both inputs and
outputs. All inputs have clamp diodes to ground and all outputs
are designed for low-capacitance bus loading in high-imped-
ance state.
The FCT2827T has 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. FCT2827T parts are
plug-in replacements for FCT827T parts.
FUNCTIONAL BLOCK DIAGRAM
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 OE1 OE2
2573 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
6.22
6.22
AUGUST 1995
DSC-4217/5
11

1 page




IDT54FCT2827 pdf
IDT54/74FCT827AT/BT/CT/DT, IDT54/74FCT2827AT/BT/CT
HIGH-PERFORMANCE CMOS BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
FCT827AT/FCT2827AT
Symbol
Parameter
tPLH Propagation Delay
tPHL DI to YI
tPZH Output Enable Time
tPZL OEI to YI
tPHZ Output Disable Time
tPLZ OEI to YI
Condition(1)
CL = 50pF
RL = 500
CL = 300pF(3)
RL = 500
CL = 50pF
RL = 500
CL = 300pF(3)
RL = 500
CL = 5pF(3)
RL = 500
CL = 50pF
RL = 500
Com'l.
Min.(2)
1.5
Max.
8.0
1.5 15.0
1.5 12.0
1.5 23.0
1.5 9.0
1.5 10.0
Mil.
Min.(2)
1.5
Max.
9.0
1.5 17.0
1.5 13.0
1.5 25.0
1.5 9.0
1.5 10.0
FCT827CT/FCT2827CT
Com'l.
Symbol
Parameter
Condition(1)
Min.(2)
tPLH Propagation Delay
CL = 50pF
1.5
tPHL DI to YI
RL = 500
CL = 300pF(3) 1.5
RL = 500
tPZH Output Enable Time
tPZL OEI to YI
CL = 50pF
RL = 500
1.5
CL = 300pF(3) 1.5
RL = 500
tPHZ Output Disable Time
tPLZ OEI to YI
CL = 5pF(3)
RL = 500
1.5
CL = 50pF
1.5
RL = 500
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. These conditions are guaranteed but not tested.
Max.
4.4
10.0
7.0
14.0
5.7
6.0
Mil.
Min.(2)
1.5
Max.
5.0
1.5 11.0
1.5 8.0
1.5 15.0
1.5 6.7
1.5 7.0
FCT827BT/FCT2827BT
Com'l.
Min.(2)
1.5
Max.
5.0
Mil.
Min.(2)
1.5
Max.
6.5
Unit
ns
1.5 13.0 1.5 14.0
1.5 8.0 1.5 9.0 ns
1.5 15.0 1.5 16.0
1.5 6.0 1.5 7.0 ns
1.5 7.0 1.5 8.0
2573 tbl 09
FCT827DT
Com'l.
Min.(2)
1.5
Max.
3.8
Mil.
Min.(2)
Max.
Unit
ns
1.5 7.5
1.5 5.0
— ns
1.5 9.0
1.5 4.3
— ns
1.5 4.3
2573 tbl 10
6.22 5

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