DESCRIPTION
The M36DR232 is a multichip memory device containing a 32 Mbit boot block Flash memory and a 4 Mbit of SRAM. The device is offered in a Stacked LFBGA66 (0.8 mm pitch) package.
FEATURES SUMMARY
◾ SUPPLY VOLTAGE
– VDDF = VDDS =1.65V to 2.2V
– VPPF = 12V for Fast Program (optional)
◾ ACCESS TIME: 100,120ns
◾ LOW POWER CONSUMPTION
◾ ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Top Device Code, M36DR232A: 00A0h
– Bottom Device Code, M36DR232B: 00A1h
FLASH MEMORY
◾ 32 Mbit (2Mb x16) BOOT BLOCK
– Parameter Blocks (Top or Bottom Location)
◾ PROGRAMMING TIME
– 10µs typical
– Double Word Programming Option
◾ ASYNCRONOUS PAGE MODE READ
– Page width: 4 Word
– Page Mode Access Time: 35ns
◾ DUAL BANK OPERATION
– Read within one Bank while Program or
Erase within the other
– No Delay between Read and Write
Operations
◾ BLOCK PROTECTION ON ALL BLOCKS
– WPF for Block Locking
◾ COMMON FLASH INTERFACE
– 64 bit Security Code
SRAM
◾ 2 Mbit (128K x 16 bit)
◾ LOW VDDS DATA RETENTION: 1V
◾ POWER DOWN FEATURES USING TWO
CHIP ENABLE INPUTS