70V657S12DR vs 70V658S12DR

Product Attributes

Part Number 70V657S12DR 70V658S12DR
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc
Category Memory Memory
70V657S12DR 70V658S12DR
Product Status Obsolete Obsolete
Memory Type Volatile Volatile
Memory Format SRAM SRAM
Technology SRAM - Dual Port, Asynchronous SRAM - Dual Port, Asynchronous
Memory Size 1.125Mb (32K x 36) 2Mb (64K x 36)
Memory Interface Parallel Parallel
Clock Frequency - -
Write Cycle Time - Word, Page 12ns 12ns
Access Time 12 ns 12 ns
Voltage - Supply 3.15V ~ 3.45V 3.15V ~ 3.45V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 208-BFQFP 208-BFQFP
Supplier Device Package 208-PQFP (28x28) 208-PQFP (28x28)