參數(shù)資料
型號: ICS1493K-17LF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 5/12頁
文件大小: 0K
描述: IC CLOCK SYNTHESIZER 20-VFQFPN
標(biāo)準(zhǔn)包裝: 75
類型: 時鐘/頻率合成器,扇出配送,擴展頻譜時鐘發(fā)生器
PLL: 帶旁路
輸入: 時鐘,晶體
輸出: 時鐘
電路數(shù): 1
比率 - 輸入:輸出: 1:5
差分 - 輸入:輸出: 無/無
頻率 - 最大: 48MHz
除法器/乘法器: 無/無
電源電壓: 1.7 V ~ 2 V
工作溫度: -10°C ~ 80°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-VFQFPN(4x4)
包裝: 管件
其它名稱: 1493K-17LF
ICS1493-17
CLOCK SYNTHESIZER FOR PORTABLE SYSTEMS
SYNTHESIZERS
IDT / ICS CLOCK SYNTHESIZER FOR PORTABLE SYSTEMS
2
ICS1493-17
REV A 101005
Pin Assignment
Output Enable Table
Note: OE pin has an internal pull-down resistor.
Pin Descriptions
1
GND
20-pin QFN
48M
VDDO
OE
VDD
GND
VDD
37M
VDDO
22/24M
X1
X2
VD
D
27M
GN
D
22M
GN
D
SC
K
SD
A
TA
GN
D
6
11
16
OE
Clock Output State
0
Normal Operation
1
Hi-Z
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
GND
Power
Connect to ground.
2
48M
Output
48 MHz clock output. High impedance state when OE=1.
3
VDDO
Power
Output voltage level. Connect to +1.8 or 2.5 V. Same voltage as pin
12.
4OE
Input
Output Enable pin. See table above. Internal pull-down resistor.
5
VDD
Power
Connect to +1.8 V.
6
22M
Output
22.5792 MHz clock output. Internal pull-down. High impedance state
when OE=1.
7
GND
Power
Connect to ground.
8
SCK
Input
I2C bus clock pin. Internal pull-up resistor.
9
SDATA
Input
I2C bus data pin. Internal pull-up resistor.
10
GND
Power
Connect to ground.
11
22/24M
Output
Selectable output clock of either 22.5792M or 24.576M. See table.
Internal pull-down. High impedance state. OE=1.
12
VDDO
Power
Output voltage level. Connect to +1.8 or 2.5 V. Same voltage as pin 3.
13
37M
Output
Spread spectrum 37 MHz clock output. See table. Internal pull-down.
High impedance state when OE=1.
14
VDD
Power
Connect to +1.8 V.
15
GND
Power
Connect to ground.
16
GND
Power
Connect to ground.
17
27M
Output
27 MHz reference clock output. Internal pull-down. High impedance
state when OE=1.
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