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參數(shù)資料
| 型號： | SL28EB740AZIT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 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： | 是 |
| 主要目的： | Intel CPU 服務器 |
| 輸入： | 時鐘，晶體 |
| 輸出： | HCSL，LVCMOS |
| 電路數(shù)： | 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 3 of 21
EProClock Programmable Technology
EProClock is the world’s first non-volatile programmable
clock. The EProClock technology allows board designer to
promptly achieve optimum compliance and clock signal
integrity; historically, attainable typically through device and/or
board redesigns.
EProClock technology can be configured through SMBus or
hard coded.
Features:
- > 4000 bits of configurations
- Can be configured through SMBus or hard coded
- Custom frequency sets
- Differential skew control on true or compliment or both
- Differential duty cycle control on true or compliment or both
- Differential amplitude control
- Differential and single-ended slew rate control
- Program Internal or External series resistor on single-ended
clocks
- Program different spread profiles
- Program different spread modulation rate
36
SRC6 / CPU2_ITP
O, DIF
Selectable True differential CPU or SRC clock output.
ITP_EN = 0 @ CKPWRGD assertion = SRC6
ITP_EN = 1 @ CKPWRGD assertion = CPU2
37
CPU1#
O, DIF
Complement differential CPU clock output
38
CPU1
O, DIF
True differential CPU clock output
39
VDD_CPU
PWR
3.3V Power supply
40
CPU0#
O, DIF
Complement differential CPU clock output
41
CPU0
O, DIF
True differential CPU clock output
42
GND_CPU
GND
Ground
43
SCLK
I
SMBus compatible SCLOCK
44
SDATA
I/O
SMBus compatible SDATA
45
CPU_STP#*
I, PU
3.3V-tolerant input for stopping CPU outputs (internal 100K-ohm pull-up)
46
PCI/SRC_STP#*
I, PU
3.3V-tolerant input for stopping PCI and SRC outputs (internal 100K-ohm
pull-up)
47
XOUT
O
25.00MHz Crystal output, Float XOUT if using only CLKIN (Clock input)
48
XIN / CLKIN
I
25.00MHz Crystal input or 3.3V, 25MHzClock Input
49
GND_SUSPEND
GND
Ground for REF clock and WOL support
50
25MHz
O
25MHz reference output clock
51
VDD_SUSPEND
PWR
3.3V Power Supply for REF clock and power to support WOL
52
CKPWRGD/WOL_STP#/PD#
I
3.3V LVTTL input. This pin is a level sensitive strobe used to determine
when latch inputs are valid and are ready to be sampled /
Asynchronous active low input pin that stops all outputs except free running
25MHz when WOL_EN = “1” (Byte 1 bit 1)
This pin becomes a real-time active low input for asserting power down (PD#)
when WOL_EN = “0” (Byte 1 bit 1).
53
VDD_14
PWR
3.3V Power supply
54
14.318M / FSC**
I/O, PD Fixed 14.318MHz 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.
55
GND_14
GND
Ground
56
NC
No Connect.
56-TSSOP Pin Definitions (continued)
Pin No.
Name
Type
Description
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SL28EB742ALC | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 SL CLOCK 12/48MHz app x86 Cedarview RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| SL28EB742ALCT | 制造商:Silicon Laboratories Inc 功能描述:PERFORMANCE CLOCK GENERATOR APPLICABLE TO X86 CEDERVIEW PLAT - Tape and Reel |
| SL28EB742ALI | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 SL CLOCK 12/48MHz app x86 Cedarview RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| SL28EB742ALIT | 制造商:Silicon Laboratories Inc 功能描述:PERFORMANCE CLOCK GENERATOR APPLICABLE TO X86 CEDERVIEW PLAT - Tape and Reel |
| SL28PCIe10ALC | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 ClkGen Xin-4PCIE out G2 R-ot 48M 27M Pgot RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
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