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參數(shù)資料
| 型號(hào)： | ICS1493K-17LF |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 48 MHz, PROC SPECIFIC CLOCK GENERATOR, QCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-20 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 217K |
| 代理商： | ICS1493K-17LF |
Clock Synthesizer for Portable Systems
MDS 1493-17 A
2
Revision 101005
Integr ated Circuit System s
● 525 Ra ce Stree t, Sa n Jose, CA 951 26 ● te l (4 08) 297 -1201 ● www.icst.com
ICS1493-17
PRELIMINAR Y INFORMA T ION
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ICS1493K-17LFT | 功能描述:IC CLOCK SYNTHESIZER 20-VFQFPN RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:PLL 時(shí)鐘發(fā)生器 PLL:帶旁路 輸入:LVCMOS，LVPECL 輸出:LVCMOS 電路數(shù):1 比率 - 輸入:輸出:2:11 差分 - 輸入:輸出:是/無 頻率 - 最大:240MHz 除法器/乘法器:是/無 電源電壓:3.135 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:32-LQFP 供應(yīng)商設(shè)備封裝:32-TQFP（7x7） 包裝:帶卷 (TR) |
| ICS1494M-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS1494N-XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| ICS1522 | 制造商:ICS 制造商全稱:ICS 功能描述:User-Programmable Video Clock Generator/ Line-Locked Clock Regenerator |
| ICS1522M | 制造商:ICS 制造商全稱:ICS 功能描述:User-Programmable Video Clock Generator/ Line-Locked Clock Regenerator |
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