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參數(shù)資料
| 型號(hào)： | PSICS9169-01 |
| 英文描述： | Frequency Generator and Integrated Buffers for Intel Pentium and Pentium ProTM mPs |
| 中文描述： | 頻率發(fā)生器和集成緩沖器的英特爾奔騰和奔騰ProTM國(guó)會(huì)議員 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大?。?/td> | 177K |
| 代理商： | PSICS9169-01 |
Integrated
Circuit
Systems, Inc.
General Description
The
ICS9169-01
generates all clocks required for high speed
RISC or CISC microprocessor systems such as 486, Pentium/
Pentium Pro, PowerPC, etc. Four different reference
frequency multiplying factors are externally selectable with
smooth frequency transitions. These multiplying factors can
be customized for specific applications. A test mode is provided
to drive all clocks directly.
Features
Generates four processor, six bus, three 14.318 MHz
and one 48 MHz clock for ISA bus, audio, super I/O
and bus bridge devices
Supports the Intel MARS chip set
Synchronous clocks skew matched to 250ps window on
PCLKs and 500ps window on BCLKs
Test clock mode eases system design
Selectable multiplying ratios
Custom configurations available
Output frequency ranges to 100 MHz (depending on
option)
3.0V - 5.5 V supply range
28-pin SOIC and 28-pin SSOP (209-mil) packages
XTAL OSC
BCLK(0:5)
PCLK(0:3)
OEN
REF(0:2)
48 MHz
SYNC
REG
PLL
CLOCK
GEN
PLL
CLOCK
GEN
X2
X1
FS0
FS1
Block Diagram
Pentium is a trademark of Intel Corporation
PowerPC is a trademark of Motorola Corporation
Frequency Generator and Integrated Buffers for Intel Pentium
and Pentium Pro
TM
μ
P's
ICS9169-01
High drive BCLK outputs typically provide greater than 1V/
ns slew rate into 30pF loads. PCLK outputs typically provide
better than 1V/ns slew rate into 20pF loads while maintaining
50±5% duty cycle. The REF clock outputs typically provide
better than 0.5V/ns slew rates.
Applications
Ideal for high-speed RISC or CISC systems such as 486,
Pentium, Pentium Pro, PowerPC, etc.
9169-01RevE 08/28/98
ICS reserves the right to make changes in the device data identified in this publication
without further notice. ICS advises its customers to obtain the latest version of all
device data to verify that any information being relied upon by the customer is current
and accurate.
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