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PI74FCT2861T
10-Bit Non-Inverting BusTransceiver
Product Features
聲 PI74FCT2861T is pin compatible with bipolar FAST聶
Series at a higher speed and lower power consumption
聲 25-Ohm series resistor on all outputs
聲 TTL input and output levels
聲 Extremely low static power
聲 Hysteresis on all inputs
聲 Industrial operating temperature range: 聳40擄C to +85擄C
聲 Packages available:
聳 24-pin 300 mil wide plastic DIP (P24)
聳 24-pin 150 mil wide plastic QSOP (Q24)
聳 24-pin 150 mil wide plastic TQSOP (R24)
聳 24-pin 300 mil wide plastic SOIC (S24)
Product Description
Pericom Semiconductor聮s PI74FCT series of logic circuits are
produced in the Company聮s advanced 0.8 micron CMOS technology,
achieving industry leading speed grades.
The PI74FCT2861T bus transceiver provides high-performance
bus interface buffering for wide data/address paths carrying parity.
They are designed for high-capacitance load drive capability while
providing bus loading at both inputs and outputs.
Logic Block Diagram
T
0
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
OER
R
0
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
OET
10-Bit Product Configuration
Product Pin Description
Pin Name
R
N
T
N
OER
N
OET
N
GND
V
CC
Description
Receive Inputs/Outputs
Transmit Inputs/Outputs
Output Enable Receive Mode
Output Enable Transmit Mode
Ground
Power
OER
R
0
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
GND
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
Vcc
T
0
T
1
T
2
T
3
T
4
T
5
T
6
T
7
T
8
T
9
OET
24-Pin
P, Q,
R, S
20
19
18
17
16
15
14
13
Truth Table
(1)
(Non-inverting)
Inputs
Outputs
Function
High-Z
Transmitting
Transmitting
Receiving
Receiving
OET
N
OER
N
H
H
L
L
H
H
H
H
L
L
R
N
X
L
H
N/A
N/A
T
N
X
N/A
N/A
L
H
R
N
Z
N/A
N/A
L
H
T
N
Z
L
H
N/A
N/A
Note:
1. H = High Voltage Level
X = Don't Care
Z = High Impedance
1
L = Low Voltage Level
NA = Not Applicable
PS8339
09/29/98
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