Memory Chip on ... |
AX309 Xilinx Spartan-6 Development Board |
easyFPGA Spartan-6 Development Board |
Manufacturer |
Hynix |
Winbond |
Part |
H57V2562GTR-75C |
W9864G6JH-6 |
Type |
SDRAM |
SDRAM |
Value |
4M x 4Bank x 16 Bits |
1M x 4Banks x 16 Bits |
Clock |
133MHz |
166 MHz |
Pins |
54 |
54 |
Voltage |
3.3V |
3.3V |
Interface |
LVTTL |
LVTTL |
Access Time |
6ns |
6ns |
SDR SDRAM
This type of SDRAM is slower than the DDR variants, because only one word of data is transmitted per clock cycle (single data rate).
Typical SDR SDRAM clock rates are 66, 100, and 133 MHz (periods of 15, 10, and 7.5 ns). Clock rates up to 200 MHz were available.