(China (Mainland))
Product Summary
The ICS9148BF-04 is a frequency generator & integrated buffer for pentium/proTM. The ICS9148BF-04 generates all clocks required for high speed RISC or CISC microprocessor systems such as Intel PentiumPro or Cyrix. Eight different reference frequency multiplying factor of the ICS9148BF-04 is externally selectable with smooth frequency transitions.
Parametrics
ICS9148BF-04 absolute maximum ratings: (1)Supply Voltage: 7.0 V; (2)Logic Inputs: GND .0.5 V to VDD +0.5 V; (3)Ambient Operating Temperature: 0℃ to +70℃; (4)Storage Temperature: 65℃ to +150℃.
Features
ICS9148BF-04 features: (1)3.3V outputs: SDRAM, PCI, REF, 48/24MHz; (2)2.5V or 3.3V outputs: CPU, IOAPIC; (3)20 ohm CPU clock output impedance; (4)20 ohm PCI clock output impedance; (5)Skew from CPU (earlier) to PCI clock - 1 to 4 ns, center 2.6 ns; (6)No external load cap for CL=18pF crystals; (7)±250 ps CPU, PCI clock skew; (8)400ps (cycle to cycle) CPU jitter; (9)Smooth frequency switch, with selections from 50 to 83.3 MHz CPU; (10)I2C interface for programming; (11)2ms power up clock stable time; (12)Clock duty cycle 45-55%; (13)48 pin 300 mil SSOP package; (14)3.3V operation, 5V tolerant input.
Diagrams
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ICS9107C-05CS08 |
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ICS9107C-05CS08LF |
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ICS9107C-05CS08T |
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ICS9107C-10CS08 |
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