参数资料
型号: ICS525R-11LFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/10页
文件大小: 0K
描述: IC PECL CLK USER CONFIG 28-SSOP
标准包装: 2,500
类型: 时钟发生器,扇出配送
PLL: 带旁路
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 无/无
频率 - 最大: 40MHz
除法器/乘法器: 是/无
电源电压: 3 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.154",3.90mm 宽)
供应商设备封装: 28-QSOP
包装: 带卷 (TR)
其它名称: 525R-11LFT
ICS525-01/02/11/12
USER CONFIGURABLE CLOCK
CLOCK MULTIPLIER
IDT USER CONFIGURABLE CLOCK
2
ICS525-01/02/11/12 REV T 053012
Pin Assignment
Pin Descriptions
KEY: I(PU) = Input with internal pull-up resistor; X1, X2 = crystal connections
18
7
17
8
16
9
15
X1/ICLK
10
X2
11
GND
12
CLK
13
V0
14
V1
GND
PD
V8
V2
V7
V5
V3
V6
22
21
20
19
V4
REF
5
6
S2
VDD
24
23
R0
3
4
S0
S1
R1
26
25
R2
1
2
R5
R6
R3
28
27
R4
ICS525-01/-02/-11/-12
Pin
Number
Pin
Name
Pin
Type
Pin Description
1, 2,
24-28
R5, R6,
R0-R4
I(PU)
Reference divider word input pins determined by user. Forms a binary number from 0
to 127.
3, 4, 5
S0, S1, S2
I(PU)
Select pins for output divider determined by user. See table on page 3
6, 23
VDD
Power
Connect to VDD.
7
X1/ICLK
X1
Crystal connection. Connect to a parallel resonant fundamental crystal or input clock.
8
X2
Crystal connection. Connect to a crystal or leave unconnected for clock.
9, 20
GND
Power
Connect to ground.
10 - 18
V0 - V8
I(PU)
VCO divider word input pins determined by user. Forms a binary number from 0 to
511.
19
PD
Input
Power-down. Active low. Turns off entire chip when low. Clock outputs tri-stated.
21
CLK
Output
Output clock determined by status of R0-R6, V-V8, S0-S2, and input frequency.
22
REF
Output
Reference output. Buffered crystal oscillator (or clock ) output.
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