ICS83841
ICS83841 is DDR SDRAM 2:1 MUX manufactured by Integrated Circuit Systems.
Integrated Circuit Systems, Inc.
20 BIT, DDR SDRAM 2:1 MUX
Features
- Forty low skew single-ended DIMM ports
- One SSTL-2 patible select input
- Maximum Switching Speed: 3ns
- Output skew: 180ps (maximum)
- ron = 20Ω (typical)
- Full 2.5V supply modes
- 0°C to 70°C ambient operating temperature
- Available in both standard and lead-free Ro HS pliant packages
GENERAL DESCRIPTION
The ICS83841 is a 20 Bit, DDR SDRAM 2:1 MUX and is a member of the Hi Per Clock S™ family of Hi Per Clock S™ High Performance Clock Solutions from ICS. The device has 20 host lines and each host line can be passed to 2 data ports. The host/data ports are patible with single-ended SSTL-2 and the device operates from a 2.5V supply.
IC S
Guaranteed low output skew makes the ICS83841 ideal for .. demanding applications which require well defined performance and repeatability.
SIMPLIFIED SCHEMATIC
LOGIC DIAGRAM
DH0 ron Sw Sw DA0 DB0
DHx
DAx or DBx
DH19 ron
Sw Sw
DA19 DB19
PIN ASSIGNMENT
1 A B C D E F G H J K
DB17 DA18 DB18 DA19 DB19 DA0 DB0 DA1 DB1 DA2
DA17 DH17 DH18 GND DH19 DH0 GND DH1 DH2 DB2
DB16 DH16
DB15 DA16
DA15 DH15...