参数资料
型号: 932S421BGLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 333.33 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO56
封装: 6.10 MM, 0.50 MM PITCH, ROHS COMPLIANT, MO-153, TSSOP-56
文件页数: 11/23页
文件大小: 220K
代理商: 932S421BGLF
IDTTM
PCIe Gen2 and QPI Clock for Intel-Based Servers
1340G—01/26/10
ICS932S421B
PCIe Gen2 and QPI Clock for Intel-Based Servers
19
PD is an asynchronous active high input used to shut off all clocks cleanly prior to system power down.
When PD is asserted, all clocks will be driven low before turning off the VCO. All clocks will start without glitches when PD is
de-asserted.
PD, Power Down
D
PU
P
C#
U
P
CC
R
S#
C
R
SI
C
P
/
F
I
C
PB
S
UF
E
Re
t
o
N
0l
a
m
r
o
Nl
a
m
r
o
Nl
a
m
r
o
Nl
a
m
r
o
Nz
H
M
3
3z
H
M
8
4z
H
M
8
1
3
.
4
11
1r
o
2
*
f
e
r
I
t
a
o
l
F
t
a
o
l
F2
*
f
e
r
I
t
a
o
l
F
r
o
t
a
o
l
Fw
o
Lw
o
Lw
o
L1
Notes:
1. Refer to SMBus Byte 4 for additional information.
PD should be sampled high by 2 consecutive CPU# rising edges before stopping clocks. All single ended clocks will be
held low on their next high to low transition.
All differential clocks will be held high on the next high to low transition of the complimentary clock. If the control register
determining to drive mode is set to 'tri-state', the differential pair will be stopped in tri-state mode, undriven.
When the drive mode corresponding to the CPU or SRC clock of interest is set to '0' the true clock will be driven high at 2 x
Iref and the complementary clock will be tristated. If the control register is programmed to '1' both clocks will be tristated.
See SMBus Bytes 4 and 5 for additional information.
PD Assertion
PD
CPU, 133MHz
CPU#, 133MHz
SRC, 100MHz
SRC#, 100MHz
USB, 48MHz
PCI, 33MHz
REF, 14.31818
REF Drive Strength Functionality
Byte6,
bit 4
Byte
10, bit 1
Byte 10,
bit 0
REF1
REF0
0
XX1x
1x
10
0
1x
10
1
1x
2x
11
0
2x
1x
11
1
2x
CPU, SRC and PCI Divider Ratios
Div(3:0)
Divider
00000
2
10001
3
20010
5
30011
15
40100
4
50101
6
60110
10
70111
30
81000
8
91001
12
10
1010
20
11
1011
60
12
1100
16
13
1101
24
14
1110
40
15
1111
120
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932S421CFLFT 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
932S421CGLF 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
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