PI5C32203A [ETC]
Terminator ; 终结者\n
| 型号： | PI5C32203A |
| 厂家： | 
ETC |
| 描述： | Terminator
|
| 文件： | 总2页 (文件大小：273K) |
| 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 150ohm 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
150ohmnominalterminationtoVBIAS.
LowPower......50µW
IndustrialOperationTemperature:−40ºCto+85ºC
SwitchingSpeed......7.5nsmax.
Channel On Capacitance: 8pF
VCC OperatingRange:+5V±5%
ESD>2000V......HumanBodyModel
Packagesavailable:56-pinTSSOP
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
Typ.(1)
Max.
Units
VIH
VIL
IIH
TTL Input HIGH Voltage
TTL Input LOW Voltage
TTL Input HIGH Current
TTL Input LOW Current
V
0.5
0.8
1
Enable
µA
IIL
1
VCC = Min., VIN = 0.0V,
VBIAS = 1.5V
RON
Switch On Resistance
125
150
175
ohm
CIN
CON
ICC
Input Capacitance
4
8
VIN = 0V
pF
µA
Input Capacitance, Switch On
Power Supply Quiescent
10
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 = 500ohm
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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