fs7140 ON Semiconductor, fs7140 Datasheet - Page 2

• Manufacturer Part Number: fs7140
• Description: Programmable Phase- Locked Loop Clock Generator
• Manufacturer: ON Semiconductor

*Key: AI: Analog Input; AO = Analog Output; DI = Digital Input; DI
Table 1. PIN DESCRIPTIONS*
Input/Output; DI−3 = Three−Level Digital Input; DO = Digital Output; P = Power/Ground; # = Active Low Pin
Pin
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Type
DIO
DI
DI
DI
DI
AO
DO
DO
DI
AI
AI
P
P
P
P
−
−
D
D
U
U
ADDR0
ADDR1
Name
XOUT
SYNC
CLKN
CLKP
IPRG
VDD
VDD
SCL
SDA
VSS
VSS
REF
XIN
n/c
n/c
Serial interface clock (requires an external pull−up)
Serial interface data input/output (requires an external pull−up)
Address select bit “0”
Ground
Crystal oscillator feedback
Crystal oscillator drive
Address select bit “1”
Power supply (+3.3 V nominal)
PECL current drive programming
No connection
Ground
Reference frequency input
FS7140 = No connection
FS7145 = Synchronization input
Power supply (+3.3 V nominal)
Clock output
Inverted clock output
Figure 1. Device Block Diagram
http://onsemi.com
U
= Input with Internal Pull−up; DI
2
Description
D
= Input with Internal Pull−down; DIO = Digital