PI74LPT241 Datasheet, PDF (1/4 Pages) Pericom Semiconductor Corporation – Fast CMOS 3.3V 8-Bit Buffer/Line Driver

PI74LPT241
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PI74LPT241
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Fast CMOS 3.3V 8-Bit
Buffer/Line Driver
Product Features
• Compatible with LCX™ and LVT™ families of products
• Supports 5V tolerant mixed signal mode operation
– Input can be 3V or 5V
– Output can be 3V or connected to 5V bus
• Advanced low power CMOS operation
• Excellent output drive capability:
Balanced drives (24 mA sink and source)
• Low ground bounce outputs
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
• Packages available:
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 150-mil wide plastic TQSOP (R)
– 20-pin 300-mil wide plastic SOIC (S)
Product Description
Pericom Semiconductor’s PI74LPT series of logic circuits are pro-
duced in the Company’s advanced 0.6 micron CMOS technology,
achieving industry leading speed grades.
The PI74LPT241 is an 8-bit buffer/line driver designed for driving
high capacitive memory loads. With its balanced-drive
characteristics, this high-speed, low power device provides lower
ground bounce, transmission line matching of signals, fewer line
reflections and lower EMI and RFI effects. This makes it ideal for
driving on-board buses and transmission lines.
The PI74LPT241 can be driven from either 3.3V or 5.0V devices
allowing this device to be used as a translator in a mixed
3.3/5.0V system.
Logic Block Diagram
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
Product Pin Configuration Product Pin Description
OEB
OA0
DB0
OA1
DB1
OEA 1
20 VCC
DA0 2
19 OEB
OB0 3
18 OA0
DA1 4 20-PIN ₁₇ DB0
OB1 5 L20 ₁6 OA1
DA2 6₆
OB2 7₇
DA3 8₈
Q20 _{15 DB1}
R20
S20
1¹⁴4
1¹³3
OA2
DB2
OB3 9₉
1¹²2 ^OA3
GND 1₁0₀
1¹¹1 ^DB3
Pin Name
OEA, OEB
Dxx
Oxx
GND
VCC
Description
3-State Output Enable
Inputs
Inputs
Outputs
Ground
Power
OA2
Truth Table⁽¹⁾
DB2
Inputs
Outputs
OEA
OEB
DXX
OXX
OA3
L
H
L
L
DB3
L
H
H
H
H
L
X
Z
Note:
1. H = High Voltage Level, X = Don't Care,
L = Low Voltage Level, Z = High Impedance
1
PS2057A 01/14/97