IDT5V49EE704
EEPROM PROGRAMMABLE CLOCK GENERATOR
CLOCK SYNTHESIZER
Pin Configuration
.
28 27 26 25 24 23 22
VDD
XOUT
XIN/REF
VDDx
1
2
3
4
5
6
7
21
20
19
OUT3
OUT6
GND
AVDD
CLKSEL
18
17
CLKIN
GND
16
15
SCLK
SDAT
OUT1
8
9
10 11 12 13 14
28 pin VFQFPN
(Top View)
Pin Descriptions
Pin#
Pin Name
VDD
I/O
Pin Type
Power
Pin Description
1
2
3
Device power supply. Connect to 3.3V.
XOUT
O
I
LVTTL
CRYSTAL_OUT -- Reference crystal feedback.
XIN / REF
LVTTL
CRYSTAL_IN -- Reference crystal input or external
reference clock input.
4
Power
Crystal oscillator power supply. Connect to 3.3V. Use
filtered analog power supply if available.
VDDx
5
6
7
CLKIN
GND
I
LVTTL
Power
LVTTL
Input clock. Weak internal pull down resistor.
Connect to Ground.
OUT1
O
O
Configurable clock output 1. Output levels controlled by
VDDO1.
8
9
OUT2
LVTTL
Power
Configurable clock output 2. Output levels controlled by
VDDO1.
VDDO1
Device power supply. Connect to 1.8 to 3.3V. Sets output
voltage levels for OUT1 and OUT2.
10
11
GND
Power
LVTTL1
Connect to Ground.
OUT5
O
O
Configurable clock output 5. Output levels controlled by
VDDO5.
12
OUT5b
LVTTL1
Configurable clock output 5b. Output levels controlled by
VDDO5.
IDT® EEPROM PROGRAMMABLE CLOCK GENERATOR
3
IDT5V49EE704
REV F 022310