Clock Driver
ICS95V8 47
2.5V Wide Range Frequency Clock Driver (45MHz - 233MHz)
Recommended Application: • Zero Delay Board Fan Out...
Description
ICS95V8 47
2.5V Wide Range Frequency Clock Driver (45MHz - 233MHz)
Recommended Application: Zero Delay Board Fan Out, SO-DIMM Provides complete DDR registered DIMM solution
with ICSSSTV16857, ICSSSTV16859 or ICSSSTV32852
Product Description/Features: Low skew, low jitter PLL clock driver 1 to 5 differential clock distribution (SSTL_2) Feedback pins for input to output synchronization Spread Spectrum tolerant inputs
Switching Characteristics: CYCLE - CYCLE jitter: <60ps OUTPUT - OUTPUT skew: <60ps Period jitter: ±30ps DUTY CYCLE: 49.5% - 50.5%
Pin Configuration
GND CLKC0 CLKT0
GND VDD CLK_INT CLK_INC AVDD AGND CLKC1 CLKT1 VDD
1 2 3 4 5 6 7 8 9 10 11 12
ICS95V847
24 CLKT4 23 CLKC4 22 CLKC3 21 CLKT3 20 VDD 19 FB_INT 18 FB_INC 17 FB_OUTC 16 FB_OUTT 15 CLKT2 14 CLKC2 13 GND
24-Pin TSSOP
4.40 mm. Body, 0.65 mm. pitch
Functionality
Block Diagram
INPUTS
OUTPUTS
AVDD CLK_INT CLK_INC CLKT CLKC FB_OUTT FB_OUTC
PLL State
GND
L
H LH L
H Bypassed/off
GND
2.5V (nom) 2.5V (nom)
H L H
L HL H H LH L L HL H
L Bypassed/off H on L on
FB_INT FB_INC CLK_INC CLK_INT
PLL
FB_OUTT FB_OUTC
CLKT0 CLKC0
CLKT1 CLKC1
CLKT2 CLKC2
CLKT3 CLKC3
CLKT4 CLKC4
0718E—11/24/08
ICS95V8 47
Pin Descriptions
PIN NUMBER
PIN NAME
5, 12, 20
VDD
1, 4, 13
GND
8 AVDD 9 AGND
3, 11, 15, 21, 24 CLKT[0:4]
2, 10, 14, 22, 23 CLKC[0:4]
6 CLK_INT
7 CLK_INC
16 FB_OUTT
17 FB_OUTC 19 FB_INT 18 FB_INC
TYPE
DESCRIPTION
PWR Power supply, 2.5V
PWR Ground
PWR PWR OUT
Analog po...
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