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參數(shù)資料
| 型號： | PI2BV3877L |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 2-Port 266 MHz DDR BusSwitch |
| 中文描述： | 2端口266 MHz的DDR BusSwitch |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 339K |
| 代理商： | PI2BV3877L |
1
PS8472A 05/02/00
Product Pin Configuration
Product Pin Description
Pin Name
BE0, BE1
A09
B09
GND
V
CC
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
Ground
Power
Function
Disconnect
Connect
BE0
H
L
A
0A4
Hi-Z
B
04
Truth Table
(1)
Notes:
1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
Logic Block Diagram
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266 MHz DDR BusSwitch
Product Description
Pericom Semiconductors PI2B series of logic circuits are produced
using the Companys advanced submicron CMOS technology,
achieving industry leading performance.
The PI2BV3877 is a 10-bit, 2.5 volt two-port bus switch designed with
a low ON resistance allowing inputs to be connected directly to
outputs. The bus switch creates no additional propagational delay
or additional ground bounce noise. The switches are turned ON by
the Bus Enable (BE
N
) input signals.
The PI2BV3877 switch is intended for 266 MHz DDR(X4) Memory
Module Applications.
Product Features
Used in X4 DDR modules
Near zero propagation delay
20 Ohm switches connect inputs to outputs
Fast Switching Speed 3ns (max.)
Low Off Capacitance (3pF)
Pull-down on B output
Pull-up on Switch Enable
Packages available:
24-pin 150 mil wide plastic QSOP (Q)
24-pin 173 mil wide plastic TSSOP (L)
Function
Disconnect
Connect
BE1
H
L
A
5A9
Hi-Z
B
5B9
V
CC
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
BE
1
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
BE
0
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
GND
24-Pin
Q, L
BE0
A
4
A
0
B
4
B
0
Vcc
BE1
A
9
A
5
B
9
B
5
Vcc
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