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ICS91719 Datasheet(PDF) 2 Page - Renesas Technology Corp

Part # ICS91719
Description  Low EMI, Spread Modulating, Clock Generator
PDF  11 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS91719 Datasheet(HTML) 2 Page - Renesas Technology Corp

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ICS91719
0506E—06/24/09
Pin Descriptions
PIN #
PIN NAME
PIN TYPE
DESCRIPTION
1
GND
POWER
Ground pin for 3V outputs
2
X1 _CLKIN
INPUT
Crystal input or CLOCKIN input
3
X2
OUTPUT
Crystal output
4
GNDA
POWER
Analog ground
5
VDDA
POWER
Analog power supply for 3V
6
VDD
POWER
Power supply for 3V
7
GND
POWER
Ground pin for 3V outputs
CLKOUT
OUTPUT
Modulated clock output
FS_IN0
INPUT
Latched input for input frequency select
Spread enable pin
Latched input for input frequency select
10
SDATA
INPUT
Data pin for I2C circuitry 5V tolerant
11
SCLK
INPUT
Clock pin for I2C circuitry 5V tolerant
12
^PD#
INPUT
Power down
13
**REF_Stop
INPUT
Stop control for REF_CLOCK output STOP:1, RUNNING:0
14
REF_OUT/VDDREF_SEL_1.8V * *
INPUT/OUTPUT
REF_CLOCK output
15
VDDREF_SEL_2.5V/3.3V# ^
POWER
REF_CLOCK power supply voltage select
16
VDDREF
POWER
Power supply for REF_CLOCK
^internal pull-up
**internal pull-down
8
9
^SPREAD_ENABLE
FS_IN1
INPUT



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