While AS4C2M32S-7TCN (2M x 32 bit device) comes in 90-ball, 8 x 13 x 1.2 mm TFBGA package, AS4C4M32S-7TCN (4M x 32 bit device) comes in 86-pin, 400 mil plastic TSOP II package. Access times for these SDRAMs are 5.4 and 5.5 nsec, respectively, while clock rates are 143 and 166 MHz. Operation is from single +3.3 V ±0.3 V power supply over 0 to +70°C range. Features include programmable read or write burst lengths. auto pre-charge function, refresh functions, and programmable mode register.
This story is related to the following:Dynamic Random Access Memories (DRAM) | Memories |