M29F400BB70N1 vs M29F400BB90N1

Product Attributes

Part Number M29F400BB70N1 M29F400BB90N1
Manufacturer Micron Technology Inc. Micron Technology Inc.
Category Memory Memory
M29F400BB70N1 M29F400BB90N1
Product Status Obsolete Obsolete
Memory Type Non-Volatile Non-Volatile
Memory Format Flash Flash
Technology FLASH - NOR FLASH - NOR
Memory Size 4Mb (512K x 8, 256K x 16) 4Mb (512K x 8, 256K x 16)
Memory Interface Parallel Parallel
Clock Frequency - -
Write Cycle Time - Word, Page 70ns 90ns
Access Time 70 ns 90 ns
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 48-TFSOP (0.724", 18.40mm Width) 48-TFSOP (0.724", 18.40mm Width)
Supplier Device Package 48-TSOP 48-TSOP