參數(shù)資料
型號(hào): SI5326A-C-GM
廠商: Silicon Laboratories Inc
文件頁(yè)數(shù): 54/72頁(yè)
文件大?。?/td> 0K
描述: IC ANY-RATE MULTI/ATTEN 36-QFN
標(biāo)準(zhǔn)包裝: 490
系列: DSPLL®
類(lèi)型: 時(shí)鐘放大器,振動(dòng)衰減器
PLL:
輸入: 時(shí)鐘
輸出: CML,CMOS,LVDS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.4GHz
除法器/乘法器: 是/是
電源電壓: 1.71 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 36-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 36-QFN(6x6)
包裝: 托盤(pán)
Si5326
58
Rev. 1.0
7. Pin Descriptions: Si5326
Pin #
Pin Name
I/O
Signal Level
Description
1
RST
ILVCMOS
External Reset.
Active low input that performs external hardware reset of device.
Resets all internal logic to a known state and forces the device reg-
isters to their default value. Clock outputs are tristated during reset.
The part must be programmed after a reset or power on to get a
clock output. See the Si53xx Family Reference Manual for details.
This pin has a weak pull-up.
2, 9, 14,
30, 33
NC
No Connection.
Leave floating. Make no external connections to this pin for normal
operation.
3
INT_C1B
O
LVCMOS
Interrupt/CKIN1 Invalid Indicator.
This pin functions as a device interrupt output or an alarm output for
CKIN1. If used as an interrupt output, INT_PIN must be set to 1. The
pin functions as a maskable interrupt output with active polarity con-
trolled by the INT_POL register bit.
If used as an alarm output, the pin functions as a LOS (and option-
ally FOS) alarm indicator for CKIN1. Set CK1_BAD_PIN = 1 and
INT_PIN
=0.
0 = CKIN1 present
1 = LOS (FOS) on CKIN1
The active polarity is controlled by CK_BAD_POL. If no function is
selected, the pin tristates.
Note:
Internal register names are indicated by underlined italics, e.g., INT_PIN. See Section “5.Register Map”.
1
2
3
29
30
31
32
33
34
35
36
20
21
22
23
24
25
26
27
10 11 12 13 14 15 16 17
4
5
6
7
8
NC
RST
C2B
INT_C1B
GND
VDD
XA
VDD
RA
T
E
0
CK
IN
2+
CK
IN
2–
NC
RA
T
E
1
CK
IN
1+
CK
IN
1–
CS_CA
SCL
SDA_SDO
A1
A2_SS
SDI
CKO
U
T1–
NC
GND
VD
D
NC
CK
OUT
2–
CK
OUT
2+
CMOD
E
GND
Pad
A0
INC
9
18
19
28
XB
LOL
DEC
CK
OU
T1+
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