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PDF PSICS9169-01 Data sheet ( Hoja de datos )
| Número de pieza | PSICS9169-01 | |
| Descripción | Frequency Generator and Integrated Buffers for Intel Pentium and Pentium ProTM mPs | |
| Fabricantes | Integrated Circuit Systems | |
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Integrated
Circuit
Systems, Inc.
ICS9169-01
Frequency Generator and Integrated Buffers for Intel Pentium
and Pentium ProTM µP's
General Description
Features
The ICS9169-01 generates all clocks required for high speed • Generates four processor, six bus, three 14.318 MHz
RISC or CISC microprocessor systems such as 486, Pentium/
and one 48 MHz clock for ISA bus, audio, super I/O
Pentium Pro™, PowerPC™, etc. Four different reference
and bus bridge devices
frequency multiplying factors are externally selectable with • Supports the Intel MARS chip set
smooth frequency transitions. These multiplying factors can • Synchronous clocks skew matched to 250ps window on
be customized for specific applications.Atest mode is provided
PCLKs and 500ps window on BCLKs
to drive all clocks directly.
• Test clock mode eases system design
• Selectable multiplying ratios
High drive BCLK outputs typically provide greater than 1V/ • Custom configurations available
ns slew rate into 30pF loads. PCLK outputs typically provide • Output frequency ranges to 100 MHz (depending on
better than 1V/ns slew rate into 20pF loads while maintaining
option)
50±5% duty cycle. The REF clock outputs typically provide • 3.0V - 5.5 V supply range
better than 0.5V/ns slew rates.
• 28-pin SOIC and 28-pin SSOP (209-mil) packages
Applications
• Ideal for high-speed RISC or CISC systems such as 486,
Pentium, Pentium Pro, PowerPC, etc.
Block Diagram
X2
X1
FS0
FS1
PLL
CLOCK
GEN
XTAL OSC
PLL
CLOCK
GEN
SYNC
REG
48 MHz
REF(0:2)
OEN
PCLK(0:3)
BCLK(0:5)
9169-01RevE 08/28/98
Pentium is a trademark of Intel Corporation
PowerPC is a trademark of Motorola Corporation
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.
1 page  
ICS9169-01
Electrical Characteristics at 5.0 V
VDD = 4.5 - 5.5 V, TA = 0 - 70 oC unless otherwise stated
PARAMETER
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Output Low Current1
Output High Current1
Output Low Current1
SYMBOL
VIL
VIH
IIL
IIH
IOL
IOH
IOL
DC Characteristics
TEST CONDITIONS
VIN = 0 V
VIN = VDD
VOL = 0.8 V;
for PCLKs & BCLKs
VOL = 2.0 V;
for PCLKs & BCLKs
VOL = 0.8V; for fixed CLKs
Output High Current1
Output Low Voltage1
Output High Voltage1
Output Low Voltage1
Output High Voltage1
Supply Current1
IOH VOL=2.0V; for fixed CLKs
IOL = 20 mA;
VOL for PCLKs & BCLKs
VOH
IOH = -70 mA;
for PCLKs & BCLKs
VOL IOL = 15mA; for fixed CLKs
VOH IOH=-50mA; for fixed CLKs
IDD @ 66.5 MHz; all outputs unloaded
MIN
-
2.4
-45
-5.0
36.0
-
30.0
-
-
2.4
-
2.4
-
TYP
-
-
-15
-
62.0
-152
50.0
-110.0
0.25
4.0
0.2
4.7
80.0
MAX
0.8
-
-
5.0
-
-90.0
-
-65.0
0.4
-
0.4
-
160.0
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.
UNITS
V
V
µA
µA
mA
mA
mA
mA
V
V
V
V
mA
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PSICS9169-01.PDF ] | |
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