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PDF IDT74FCT163827CPA Data sheet ( Hoja de datos )

Número de pieza IDT74FCT163827CPA
Descripción 3.3V CMOS 20-BIT BUFFERS
Fabricantes Integrated Device Technology 
Logotipo Integrated Device Technology Logotipo



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Integrated Device Technology, Inc.
3.3V CMOS 20-BIT
BUFFERS
IDT74FCT163827A/B/C
FEATURES:
• 0.5 MICRON CMOS Technology
Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• Packages include 25 mil pitch SSOP, 19.6 mil pitch
TSSOP and 15.7 mil pitch TVSOP
• Extended commercial range of -40°C to +85°C
• VCC = 3.3V ±0.3V, Normal Range or
VCC = 2.7 to 3.6V, Extended Range
• CMOS power levels (0.4µW typ. static)
• Rail-to-Rail output swing for increased noise margin
• Low Ground Bounce (0.3V typ.)
• Inputs (except I/O) can be driven by 3.3V or 5V
components
DESCRIPTION:
The FCT163827A/B/C 20-bit buffers are built using ad-
vanced dual metal CMOS technology. These 20-bit bus
drivers provide high-performance bus interface buffering for
wide data/address paths or busses carrying parity. Two pairs
of NAND-ed output enable controls offer maximum control
flexibility and are organized to operate the device as two 10-
bit buffers or one 20-bit buffer. Flow-through organization of
signal pins simplifies layout. All inputs are designed with
hysteresis for improved noise margin.
The FCT163827A/B/C have series current limiting resis-
tors. This offers low ground bounce, minimal undershoot, and
controlled output fall times–reducing the need for external
series terminating resistors.
The inputs of the FCT163827A/B/C can be driven from
either 3.3V or 5V devices. This feature allows the use of these
devices as translators in a mixed 3.3V/5V supply system.
FUNCTIONAL BLOCK DIAGRAM
1OE1
1OE2
2OE1
2OE2
1A1 1Y1 2A1
2Y1
TO 9 OTHER CHANNELS
3083 drw 01
TO 9 OTHER CHANNELS
3083 drw 02
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
©1996 Integrated Device Technology, Inc.
8.9
AUGUST 1996
DSC-3083/3
1

1 page




IDT74FCT163827CPA pdf
IDT74FCT163827A/B/C
FAST CMOS 20-BIT BUFFERS
COMMERCIAL TEMPERATURE RANGE
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(4)
Symbol
Parameter
tPLH Propagation Delay
tPHL xAx to xYx
tPZH Output Enable Time
tPZL xOEx to xYx
tPHZ Output Disable Time
tPLZ xOEx to xYx
tSK(o) Output Skew(3)
Conditions(1)
CL = 50pF
RL = 500
CL = 300pF(4)
RL = 500
CL = 50pF
RL = 500
CL = 300pF(4)
RL = 500
CL = 5pF(4)
RL = 500
CL = 50pF
RL = 500
FCT163827A
Min.(2)
Max.
1.5 8.0
1.5 15.0
1.5 12.0
1.5 23.0
1.5 9.0
1.5 10.0
— 0.5
FCT163827B
Min.(2)
Max.
1.5 5.0
1.5 13.0
1.5 8.0
1.5 15.0
1.5 6.0
1.5 7.0
— 0.5
FCT163827C
Min.(2)
Max.
1.5 4.4
1.5 10.0
1.5 7.0
1.5 14.0
1.5 5.7
1.5 6.0
— 0.5
Unit
ns
ns
ns
ns
NOTES:
3083 tbl 07
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Skew between any two outputs, of the same package, switching in the same direction. This parameter is guaranteed by design.
4. Propagation Delays and Enable/Disable times are with VCC = 3.3V ±0.3V, Normal Range. For VCC = 2.7V to 3.6V, Extended Range, all Propagation Delays
and Enable/Disable times should be degraded by 20%.
8.9 5

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