pi74fct16244t Pericom Semiconductor Corporation, pi74fct16244t Datasheet
pi74fct16244t
Manufacturer Part Number
pi74fct16244t
Description
Fast Cmos 16-bit Buffer/line Drivers
Manufacturer
Pericom Semiconductor Corporation
Datasheet
1.PI74FCT16244T.pdf
(6 pages)
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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7
Product Features:
Common Features:
• PI74FCT16244T, PI74FCT162244T and
• Vcc = 5V 10%
• Hysteresis on all inputs
• Packages available:
• Device models available upon request.
PI74FCT16244T Features:
• High output drive: I
• Power off disable outputs permit "live insertion"
• Typical V
PI74FCT162244T Features:
• Balanced output drivers: 24 mA
• Reduced system switching noise
• Typical V
PI74FCT162H244T Features:
• Bus Hold retains last active bus state during 3-state
• Eliminates the need for external pull-up resistors
Logic Block Diagram
PI74FCT162H244T are high-speed, low power devices
with high current drive.
– 48-pin 240 mil wide plastic TSSOP (A48)
– 48-pin 300 mil wide plastic SSOP (V48)
at V
at V
CC
CC
= 5V, T
= 5V, T
OLP
OLP
(Output Ground Bounce) < 1.0V
(Output Ground Bounce) < 0.6V
A
A
= 25 C
= 25 C
OH
= –32 mA; I
1
2
OE
OE
1
1
1
1
2
2
2
2
A
A
A
A
A
A
A
A
0
1
2
3
0
1
2
3
OL
= 64 mA
1
1
1
1
2
2
2
2
Y
Y
Y
Y
Y
Y
Y
Y
0
1
2
3
0
1
2
3
161
Product Description:
Pericom Semiconductor’s PI74FCT series of logic circuits are pro-
duced in the Company’s advanced 0.6 micron CMOS technology,
achieving industry leading speed grades.
The PI74FCT16244T, PI74FCT162244T, and PI74FCT162H244T
are non-inverting 16-bit buffer/line drivers designed for applications
driving high capacitance loads and low impedance backplanes.
These high-speed, low power devices offer bus/backplane interface
capability and a flow-through organization for ease of board layout.
These devices are designed with three-state controls to operate in a
Quad-Nibble, Dual-Byte, or a single 16-bit word mode.
The PI74FCT16244T output buffers are designed with a Power-Off
disable allowing "live insertion" of boards when used as backplane
drivers.
The PI74FCT162244T has 24 mA balanced output drivers. It is
designed with current limiting resistors at its outputs to control the
output edge rate resulting in lower ground bounce and undershoot.
This eliminates the need for external terminating resistors for most
interface applications.
The PI74FCT162H244T has "Bus Hold" which retains the input's
last state whenever the input goes to high-impedance preventing
"floating" inputs and eliminating the need for pull-up/down resistors.
3
4
OE
OE
3
3
3
3
4
4
4
4
A
A
A
A
A
A
A
A
0
1
2
3
0
1
2
3
16-BIT BUFFER/LINE DRIVERS
PI74FCT16244/162244/162H244T
3
3
3
3
4
4
4
4
Y
Y
Y
Y
Y
Y
Y
Y
0
1
2
3
0
1
2
3
Buffer/Line Drivers
PI74FCT162H244T
Fast CMOS 16-Bit
PI74FCT162244T
PI74FCT16244T
PS2031A 03/11/96
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pi74fct16244t Summary of contents
Page 1
... These devices are designed with three-state controls to operate Quad-Nibble, Dual-Byte single 16-bit word mode. The PI74FCT16244T output buffers are designed with a Power-Off disable allowing "live insertion" of boards when used as backplane drivers. The PI74FCT162244T has 24 mA balanced output drivers designed with current limiting resistors at its outputs to control the output edge rate resulting in lower ground bounce and undershoot ...
Page 2
...
Page 3
...
Page 4
... PI74FCT16244T Output Drive Characteristics ...
Page 5
...
Page 6
... PI74FCT16244T Switching Characteristics over Operating Range ...