sm840051 Micrel Semiconductor, sm840051 Datasheet - Page 2

• Manufacturer Part Number: sm840051
• Description: Gigabit Ethernet Ultra-low Jitter Clock Synthesizer
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
Ordering Information
Pin Configuration
Pin Description
Configuring the SM840051 (Frequency Table)
Output Enable
May 2010
Note:
1. Devices are Green, RoHS-compliant and PFOS-compliant.
2. Tape and Reel.
Part Number
SM840051KA
SM840051KA TR
Pin Number
Xtal Frequency (MHz)
OE
1
2
3
4
5
6
7
8
0
1
20.141601
20.141601
19.53125
19.53125
19.44
19.44
(2)
XTAL OUT
Pin Name
XTAL IN
VDDA
FSEL
Disable
GND
Output
VDD
Enable
(1)
OE
Q0
Package
Type
K-8
K-8
Type
P
O
O
P
P
I
I
I
Operating Range
-40°C to +75°C
-40°C to +75°C
FSEL
8-Pin TSSOP (K-8)
0
1
0
1
0
1
Pull down
Pull-up
Level
2
Pin Function
Analog power.
Output Enable: 1 = Enable, 0 = Disable.
Crystal Output.
Crystal Input.
Frequency Select Pin.
Ground.
Single Ended LVCMOS Clock Out.
Core Power.
Package Marking
840051
840051
Output Frequency (MHz)
[e-mail]
161.132812
80.566406
156.25
78.125
155.52
77.76
NiPdAu
NiPdAu
Finish
Lead
or [phone]
M9999-050710-C
SM840051