ICS95V857C

ICS95V8 5 7 C 2.5V Wide Range Frequency Clock Driver (45MHz - 233MHz) Recommended Application: DDR Memory Modules / Zero Delay Board Fan Out Provides complete DDR registered DIMM solution with ICSSSTVF16857, ICSSSTVF16859 or ICSSSTV32852 Product Description/Features: Low skew, low jitter PLL clock driver 1 to 10 differential clock distribution (SSTL_2) Feedback pins for input to output synchronization PD# for power management Spread Spectrum-tolerant inputs Auto PD when input signal removed Specifications: Meets PC3200 Class A+ specification for DDR-I 400 support Covers all DDRI speed grades Switching Characteristics: CYCLE - CYCLE jitter: <50ps OUTPUT - OUTPUT skew: <40ps Period jitter: ±30ps Pin Configuration GND CLKC0 CLKT0 VDD CLKT1 CLKC1 GND GND CLKC2 CLKT2 VDD VDD CLK_INT CLK_INC VDD AVDD AGND GND CLKC3 CLKT3 VDD CLKT4 CLKC4 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ICS95V857C 48 GND 47 CLKC5 46 CLKT5 45 VDD 44 CLKT6 43 CLKC6 42 GND 41 GND 40 CLKC7 39 CLKT7 38 VDD 37 PD# 36 FB_INT 35 FB_INC 34 VDD 33 FB_OUTC 32 FB_OUTT 31 GND 30 CLKC8 29 CLKT8 28 VDD 27 CLKT9 26 CLKC9 25 GND 48-Pin TSSOP/TVSOP 6.10 mm Body, 0.50 mm Pitch = TSSOP 4.40 mm Body, 0.40 mm Pitch = TVSOP Block Diagram Functionality INPUTS AVDD PD# CLK_INT OUTPUTS CLK_INC CLKT CLKC FB_OUTT FB_OUTC PLL State GND H L H LH L H Bypassed/off GND 2.5V (nom) 2.5V (nom) 2.5V (nom) 2.5V (nom) 2.5V (nom) H L L H H X HL LH HL LH HL <20MHz)(1) HL ZZ ZZ...