PI6C4931504-04 Datasheet, PDF (1/6 Pages) Pericom Semiconductor Corporation – High Performance HCSL Fanout Buffer

Features
ÎÎ4 HCSL outputs
ÎÎUp to 250MHz output frequency
ÎÎUltra low additive phase jitter: < 0.1 ps (typ)
ÎÎTwo selectable inputs
ÎÎLow delay from input to output (Tpd typ. 1.5ns)
ÎÎ2.5V / 3.3V power supply
ÎÎIndustrial temperature support
ÎÎTSSOP-20 package
PI6C4931504-04
High Performance HCSL Fanout Buffer
Description
The PI6C4931504-04 is a high performance fanout buffer device
which supports up to 250MHz frequency. This device is ideal
for systems that need to distribute low jitter clock signals to
multiple destinations.
Applications
ÎÎNetworking systems including switches and Routers
ÎÎHigh frequency backplane based computing and telecom
platforms
Block Diagram
Pullup
CLK_EN
CLK0 ^Pulldown
nCLK0 ^{Pullup/ Pulldown}
0
CLK1 ^Pulldown
1
CLK_SEL ^Pulldown
Iref
D
Q
LE
Pin Configuration (20-Pin TSSOP)
GND 1
20 Q0
CLK_EN 2
19 nQ0
Q0
CLK_SEL ₃
18 V_DD
nQ0
CLK0 4
17 Q1
Q1
nCLK0 5
16 nQ1
nQ1
CLK1 6
15 Q2
Q2
NC 7
14 nQ2
nQ2
NC 8
13 V_DD
Q3
IREF 9
12 Q3
nQ3
VDD 10
11 nQ3
12-0251
1

PI6C4931504-04
Rev A
08/14/2012