DatasheetsPDF.com

ICS9248-192

Part Number	ICS9248-192
Manufacturer	Renesas
Description	Frequency Timing Generator
Published	Feb 28, 2021
Detailed Description	ICS9248-192 Frequency Timing Generator for Transmeta Systems Recommended Application: Transmeta Output Features: • 1CP...
Datasheet	ICS9248-192 PDF File

Overview

ICS9248-192 Frequency Timing Generator for Transmeta Systems Recommended Application: Transmeta Output Features: • 1CPU(2.
5V or 3.
3V selectable) up to 66.
6MHz & overclocking of 66MHz.
• 6 PCI (3.
3V) @ 33.
3MHz (all are free running selectable).
• 1 REF (3.
3V) at 14.
318MHz.
• 1 48MHz (3.
3V).
• 1 24_48MHz selectable output.
Features: • Supports Spread Spectrum modulation for CPU and PCI clocks, default -0.
4 downspread.
• Efficient Power management scheme through stop clocks and power down modes.
• Uses external 14.
318MHz crystal, no external load cap required for CL=18pF crystal.
• 28-pin TSSOP package, 4.
40mm (173mil).
Pin Configuration GNDREF 1 X1 2 X2 3 PD# 4 PCICLK0 5 PCICLK1 6 PCICLK2 7 GNDPCI 8 VDDPCI 9 PCICLK3 10 PCICLK4 11 PCICLK5 12 SDATA 13 SCLK 14 ICS9248-192 28 VDDREF 27 REF 26 CPU_STOP# 25 VDDLCPU 24 GNDLCPU 23 CPUCLK0 22 PCI_STOP# 21 GND_Core 20 VDD_Core 19 SEL66/60# 18 VDD48 17 GND48 16 48MHz/CPU3.
3v_2.
5V#sel 15 24-48MHz/Sel48_24# 28-Pin TSSOP Skew Characteristics: • CPU – CPU <175ps • PCI – PCI < 500ps • CPU(early) – PCI = 1.
5ns – 4ns.
Block Diagram PLL2 X1 X2 SEL48_24# CPU3.
3V_2.
5V#sel SEL66/60# PD# PCI_STOP# CPU_STOP# SDATA SCLK 0540F—10/27/05 XTAL OSC PLL1 Spread Spectrum Control Logic Config.
Reg.
/2 CPU DIVDER Stop 48MHz 24_48MHz REF CPUCLK0 PCI DIVDER Stop PCICLK (5:0) 6 Power Groups VDD_Core, GND_Core = PLL core VDDREF, GNDREF = REF, X1, X2 VDDPCI, GNDPCI = PCICLK (5:0) VDD48, GND48 = 48MHz (1:0) ICS9248-192 Pin Descriptions Pin number 1 2 3 Pin name GNDREF X1 X2 4 PD# 12, 11, 10, 7, 6, 5 8 9 15 13 14 16 17 18 PCICLK (5:0) GNDPCI VDDPCI Sel48_24# 24_48MHz SDATA SCLK CPU3.
3-2.
5# 48MHz GND48 VDD48 19 SEL 66/60# 20 VDD_Core 21 GND_Core 22 PCI_Stop# 23 CPUCLK0 24 GNDLCPU 25 VDDLCPU 26 CPU_STOP# 27 REF 28 VDDREF Type Power Input Output Input Output Power Power Input Output I/O IN Input Output Power Power Input Power Power Input Output Power Power Input Output Power Description Groun...

Similar Datasheet

ICS9248-101 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-103 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-107 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-110 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-112 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-114 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-126 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-127 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-128 Frequency Generator & Integrated Buffers - Integrated Circuit Systems
ICS9248-128 Frequency Generator & Integrated Buffer - Renesas

@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)