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PDF PI74LPT541 Data sheet ( Hoja de datos )
| Número de pieza | PI74LPT541 | |
| Descripción | Fast CMOS 3.3V 8-Bit Buffer/Line Driver | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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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 I/O 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 (24mA 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 Semiconductors PI74LPT series of logic circuits are pro-
duced using the Companys advanced 0.6 micron CMOS
technology, achieving industry leading speed grades.
The PI74LPT541 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. This device offers
a flow-through organization for ease of board layout.
The PI74LPT541, which can be driven from either 3.3V or 5.0V
devices, can be used as a translator in mixed 3.3/5.0V systems.
Logic Block Diagram
OEA
OEB
D0 O0
D1 O1
D2 O2
D3 O3
D4 O4
D5 O5
D6 O6
D7 O7
Product Pin Configuration
OEA
D0
D1
D2
D3
D4
D5
D6
D7
GND
1 20
2 19
3 18
4 20-PIN 17
5 L20 16
6 Q20 15
7
R20
S20
14
8 13
9 12
10 11
Vcc
OEB
O0
O1
O2
O3
O4
O5
O6
O7
Product Pin Description
Pin Name
OEA, OEB
D7-D0
O7-O0
GND
VCC
Description
3-State Output Enable
Inputs (Active LOW)
Inputs
Outputs
Ground
Power
Truth Table(1)
Inputs
Outputs
OEA OEB
DX
OX
LLL L
L LH H
H HX Z
Notes:
1. H = High Voltage Level, X = Don’t Care,
L = Low Voltage Level, Z = High Impedance
1
PS2061B
01/18/99
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI74LPT541.PDF ] | |
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