ICS9214_07 Datasheet, PDF (2/16 Pages) Integrated Circuit Solution Inc – RambusTM XDRTM Clock Generator

Integrated
Circuit
Systems, Inc.
ICS9214
Pin Descriptions
PIN #
1
2
PIN NAME
AVDD2.5
AGND
3
IREFY
4
AGND
5
CLK_INT
6
CLK_INC
7
VDD2.5
8
GND
9
SMBCLK
10
SMBDAT
11
OE
12
SMB_A0
13
SMB_A1
14 BYPASS#/PLL
15
VDD2.5
16 ODCLK_C3
17 ODCLK_T3
18
GND
19 ODCLK_C2
20 ODCLK_T2
21
GND
22
VDD2.5
23 ODCLK_C1
24 ODCLK_T1
25
GND
26 ODCLK_C0
27 ODCLK_T0
28
VDD2.5
PIN TYPE
PWR
PWR
IN
PWR
IN
IN
PWR
PWR
IN
I/O
IN
IN
IN
IN
PWR
OUT
OUT
PWR
OUT
OUT
PWR
PWR
OUT
OUT
PWR
OUT
OUT
PWR
DESCRIPTION
2.5V Analog Power pin for Core PLL
Analog Ground pin for Core PLL
This pin establishes the reference current for the differential clock
pairs. This pin requires a fixed precision resistor tied to ground in
order to establish the appropriate current.
Analog Ground pin for Core PLL
"True" reference clock input.
"Complementary" reference clock input.
Power supply, nominal 2.5V
Ground pin.
Clock pin of SMBUS circuitry, 5V tolerant
Data pin of SMBUS circuitry, 5V tolerant
Active high input for enabling outputs.
0 = tri-state outputs, 1= enable outputs
SMBus address bit 0 (LSB)
SMBus address bit 1
Input to select Bypass(fan-out) or PLL (ZDB) mode
0 = Bypass mode, 1= PLL mode
Power supply, nominal 2.5V
"Complementary" side of open drain differential clock output. This
open drain output needs an external resistor network..
"True" side of open drain differential clock output. This open drain
output needs an external resistor network..
Ground pin.
"Complementary" side of open drain differential clock output. This
open drain output needs an external resistor network..
"True" side of open drain differential clock output. This open drain
output needs an external resistor network..
Ground pin.
Power supply, nominal 2.5V
"Complementary" side of open drain differential clock output. This
open drain output needs an external resistor network..
"True" side of open drain differential clock output. This open drain
output needs an external resistor network..
Ground pin.
"Complementary" side of open drain differential clock output. This
open drain output needs an external resistor network..
"True" side of open drain differential clock output. This open drain
output needs an external resistor network..
Power supply, nominal 2.5V
0809F—11/05/07
2