PI5C32203 [ETC]
Digital Switch | 32-Bit 150 Ohm GTL Terminator Bus Switch ; 数字开关| 32位150欧姆端接GTL总线开关\n
| 型号： | PI5C32203 |
| 厂家： | 
ETC |
| 描述： | Digital Switch | 32-Bit 150 Ohm GTL Terminator Bus Switch
|
| 文件： | 总2页 (文件大小：379K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PI5C32203
32-Bit Bus Switch with GTL Termination
for Slotted CPU Applications
Features
Product Description
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RON is 150Ω typical connected to 1.5V VBIAS
Pericoms PI5C32203 is a 32-bit bus switch. Industry leading
advantages include very low power, and low I/O capacitance.
When the bus switch is enabled (ENx = 0), it is terminated
internally through a series resistor to an external VBIAS. The ON-
resistance of the switch along with the series resistor provides a
150Ω nominal termination to VBIAS.
Low Power......50µW
Industrial Operation Temperature: −40ºC to +85ºC
Switching Speed......7.5ns max.
Channel On Capacitance: 8pF
VCC Operating Range: +5V ± 5%
ESD > 2000V......Human Body Model
Packages available: 56-pin TSSOP
Applications
Provides GTL termination for busses for five to six processor
Pentium II system with an empty Slot II.
Notes:
ENX
L
Switch
On
When Enabled:
Ports Ax connect to VBIAS..A
Ports Ay connect to VBIAS..B
Where:
X = 0-3, 8-11, 16-19, 24-27
Y = 4-7, 12-15, 20-23, 28-31
H
Off
Logic Block Diagram
Product Pin Configuration
56-Pin
A
PS8350A 02/02/99
1
PI5C32203
32-Bit Bus Switch with GTL Termination
for Slotted CPU Applications
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested).
Storage Temperature
-65ºC to +150ºC
-40ºC to +85ºC
-0.5V to +7.0V
-0.5V to +7.0V
Ambient Temperature with Power Applied
Supply Voltage to Ground Potentials (Inputs & VCC Only)
DC Input Voltage
Note:
Stresses greater than those listed under MAXIMUM RATINGS may cause per-
manent damage to the device. This is a stress rating only and functional opera-
tion of the device at these or any conditions above those indicated in the opera-
tional sections of this specification is not implied. Exposure to absolute maxi-
mum rating conditions for extended periods of time may affect reliability.
DC Electrical Characteristics (VCC = 5V ± 5%, TA = 0ºC to +85ºC)
Parameter
Description
Test Conditions
Min.
2.0
0.5
¾
Typ.(1)
¾
Max.
¾
Units
VIH
VIL
IIH
TTL Input HIGH Voltage
TTL Input LOW Voltage
TTL Input HIGH Current
TTL Input LOW Current
V
¾
0.8
1
Enable
¾
mA
IIL
¾
¾
1
VCC = Min., VIN = 0.0V,
VBIAS = 1.5V
RON
Switch On Resistance
125
150
175
W
CIN
CON
ICC
Input Capacitance
¾
¾
¾
4
8
¾
¾
10
VIN = 0V
pF
Input Capacitance, Switch On
Power Supply Quiescent
¾
mA
Note:
1. Typical values are shown at VCC = 3.3V, +25ºC ambient and maximum loading.
AC Electrical Characteristics (VCC = 5V ± 5%, TA = -40ºC to +85ºC)
Parameter
Description
Bus Enable
Bus Disable
Test Conditions
Min.
Max.
Units
tPE
tPD
CL = 20pF,
RL = 500W
1
5
ns
Ordering Information
Part
Pin-Package
Width
PI5C32203 56-TSSOP (A56)
240-mil
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, California 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
PS8350A 02/02/99
2
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