ICS93712 Datasheet, PDF (1/6 Pages) Integrated Circuit Systems – 2 DIMM DDR Fanout Buffer

Integrated
Circuit
Systems, Inc.
2 DIMM DDR Fanout Buffer
Recommended Application:
DDR fan out buffer for VIA PRO 266 DDR chipset
Product Description/Features:
• Low skew, fanout buffer
• 1 to 6 differential clock distribution
• I²C for functional and output control
• Feedback pin for input to output synchronization
• Supports up to 2 DDR DIMMs
• Frequency support for up to 400MHz DDR, SDRAMs
• CMOS level control signal input
Switching Characteristics:
• OUTPUT - OUTPUT skew: <100ps
• Output Rise and Fall Time for DDR outputs: 650ps - 950ps
• DUTYCYCLE:47%-53%
• Pulse Skew: <100ps
ICS9371 2
Advance Information
Pin Configuration
FBOUT
GND
DDRT0
DDRC0
VDD2.5
GND
DDRT1
DDRC1
VDD2.5
BUF_IN
GND
DDRT2
DDRC2
VDD2.5
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
28-Pin SSOP
GND
DDRT5
DDRC5
VDD2.5
GND
DDRT4
DDRC4
VDD2.5
GND
DDRT3
DDRC3
VDD2.5
SCLK
SDATA
Block Diagram
BUF_IN
SCLK
SDATA
Control
Logic
93712 Rev - 9/08/00
FB_OUT
DDRT0
DDRC0
DDRT1
DDRC1
DDRT1
DDRC2
DDRT3
DDRC3
DDRT4
DDRC4
DDRT5
DDRC5
ADVANCE INFORMATION documents contain information on products
in the formative or design phase development. Characteristic data and
other specifications are design goals. ICS reserves the right to change or
discontinue these products without notice.