參數資料
型號: SL28EB740AZIT
廠商: Silicon Laboratories Inc
文件頁數: 12/21頁
文件大小: 0K
描述: IC CLK CK505 TNLCK/TPCLF 56TSSOP
標準包裝: 2,000
系列: EProClock®
類型: 時鐘/頻率發(fā)生器,多路復用器
PLL:
主要目的: Intel CPU 服務器
輸入: 時鐘,晶體
輸出: HCSL,LVCMOS
電路數: 1
比率 - 輸入:輸出: 1:16
差分 - 輸入:輸出: 無/是
頻率 - 最大: 166.67MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: *
封裝/外殼: *
供應商設備封裝: *
包裝: *
SL28EB740
DOC#: SP-AP-0006 (Rev. AC)
Page 2 of 21
56-TSSOP Pin Definitions
Pin No.
Name
Type
Description
1
NC
No Connect.
2
NC
No Connect.
3
CLKREQ#1**
I, PD
3.3V clock request input (internal 100K-ohm pull-down)
4
CLKREQ#2**
I, PD
3.3V clock request input (internal 100K-ohm pull-down)
5
PCI0 / SEL_SATA75**
I/O, SE
PD
33MHz clock output/3.3V LVTTL input to enable 75MHz SATA (internal
100K-ohm pull-down)
0 = SATA75/SRC0 = 100MHz, 1 = SATA75/SRC0 = 75MHz
6
GND_PCI
GND
Ground
7
VDD_PCI
PWR
3.3V Power supply
8
PCIF / ITP_EN**
I/O, SE,
PD
33 MHz free running clock output/3.3V LVTTL input to enable SRC6 or
CPU2_ITP (sampled on the CKPWRGD assertion)
0= SRC6, 1= CPU2
9
CLKREQ#3**
I, PD
3.3V clock request input (internal 100K-ohm pull-down)
10
12_48M / SEL12_48*
I/O, SE
PU
12 MHz/ 48MHz Clock output/3.3V-tolerance input for 12MHz or 48MHz
selection (Sampled at CKPWRGD assertion) (internal 100K-ohm pull-up)
0 = 48M, 1 = 12M
11
VDD_48
PWR
3.3V Power supply
12
48M / FSA**
I/O
PD
Fixed 48 MHz clock output/3.3V-tolerant input for CPU frequency selection
(internal 100K-ohm pull-down)
Refer to DC Electrical Specifications table for Vil_FS and Vih_FS specifications.
13
GND_48
GND
Ground
14
DOT96
O, DIF
Fixed true 96MHz clock output
15
DOT96#
O, DIF
Fixed complement 96MHz clock output
16
FSB**
I, PD
3.3V-tolerant input for CPU frequency selection (internal 100K-ohm pull-down)
Refer to DC Electrical Specifications table for Vil_FS and Vih_FS specifications.
17
GND_SATA
GND
Ground
18
SATA75M / SRC0
O, DIF
75MHz or 100MHz True differential serial reference clock
19
SATA75M# / SRC0#
O, DIF
75MHz or 100MHz Complement differential serial reference clock
20
VDD_SATA
PWR
3.3V Power supply
21
SRC1
O, DIF
100MHz True differential serial reference clock
22
SRC1#
O, DIF
100MHz Complement differential serial reference clock
23
SRC2
O, DIF
100MHz True differential serial reference clock
24
SRC2#
O, DIF
100MHz Complement differential serial reference clock
25
SRC3
O, DIF
100MHz True differential serial reference clock
26
SRC3#
O, DIF
100MHz Complement differential serial reference clock
27
GND_SRC
GND
Ground
28
VDD_SRC
PWR
3.3V Power supply
29
SRC4#
O, DIF
100MHz True differential serial reference clock
30
SRC4
O, DIF
100MHz Complement differential serial reference clock
31
SRC5#
O, DIF
100MHz True differential serial reference clock
32
SRC5
O, DIF
100MHz Complement differential serial reference clock
33
GND_SRC
GND
Ground
34
VDD_SRC
PWR
3.3V Power supply
35
SRC6# / CPU2#_ITP
O, DIF
Selectable complementary differential CPU or SRC clock output.
ITP_EN = 0 @ CKPWRGD assertion = SRC6
ITP_EN = 1 @ CKPWRGD assertion = CPU2
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