参数资料
型号: ICS950908BFLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 17/22页
文件大小: 0K
描述: IC TIMING CTRL HUB P4 56-SSOP
标准包装: 26
系列: TCH™
类型: 时钟/频率发生器,多路复用器
PLL:
主要目的: Intel CPU,Timing Control Hub?
输入: 晶体
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:18
差分 - 输入:输出: 无/是
频率 - 最大: 200.4MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 56-BSSOP(0.295",7.50mm 宽)
供应商设备封装: 56-SSOP
包装: 管件
其它名称: 950908BFLF
4
Integrated
Circuit
Systems, Inc.
ICS950908
Preliminary Product Preview
0653A—07/26/04
Pin Description Continued
PIN
#
NAME
TYPE
29
DDRC5/SDRAM11
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
30
DDRT5/SDRAM10
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
31
DDRC4/SDRAM9
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
32
DDRT4/SDRAM8
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
33
GND
PWR
Ground pin.
34
VDD3.3_2.5
PWR
2.5V or 3.3V nominal power supply voltage.
35
DDRC3/SDRAM7
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
36
DDRT3/SDRAM6
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
37
DDRC2/SDRAM5
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
38
DDRT2/SDRAM4
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
39
GND
PWR
Ground pin.
40
VDD3.3_2.5
PWR
2.5V or 3.3V nominal power supply voltage.
41
DDRC1/SDRAM3
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
42
DDRT1/SDRAM2
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
43
DDRC0/SDRAM1
OUT
"Complimentary" Clock of differential memory output / 3.3V SDRAM clock output
44
DDRT0/SDRAM0
OUT
"True" Clock of differential memory output / 3.3V SDRAM clock output
45
BUF_IN
IN
Input Buffers for memory outputs.
46
FBOUT
OUT
Memory feed back output.
47
GND
PWR
Ground pin.
48
CPUT1_CS
OUT
True clock of differential pair 2.5V push-pull CPU outputs.
49
CPUT0_CS
OUT
True clock of differential pair 2.5V push-pull CPU outputs.
50
VDDCPU2.5
PWR
Power pin for the CPUCLKs. 2.5V
51
VDDCPU3.3
PWR
Power pin for the CPUCLKs. 3.3V
52
CPUCLKC/CPUCLKODC
OUT
"Complementary" clocks of differential pair CPU outputs. These are current mode
outputs. External resistors are required for voltage bias / "Complementary" clocks of
differential pair CPU outputs. These open drain outputs need an external 1.5V pull-up /
2.5V CPU clock output.
53
CPUCLKT/CPUCLKODT
OUT
"True" clocks of differential pair CPU outputs. These are current mode outputs.
External resistors are required for voltage bias / "True" clocks of differential pair CPU
outputs. These open drain outputs need an external 1.5V pull-up / 2.5V CPU clock
output.
54
GND
PWR
Ground pin.
55
VDDREF
PWR
Ref, XTAL power supply, nominal 3.3V
56
Vtt_PWRGD#**/REF1
I/O
This 3.3V LVTTL input is a level sensitive strobe used to determine when latch inputs
are valid and are ready to be sampled. This is an active low input. / 14.318 MHz
reference clock.
DESCRIPTION
Mode Pin - Power Management Input Control
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