
STMicroelectronics
SUMMARY DESCRIPTION
The M58BW032B/D is a 32Mbit non-volatile Flash memory that can be erased electrically at the block level and programmed in-system on a DoubleWord basis using a 3.0V to 3.6V VDD supply for the circuit and a VDDQ supply down to 1.6V for the Input and Output buffers.
FEATURES SUMMARY
◾ SUPPLY VOLTAGE
– VDD = 3.0V to 3.6V for Program, Erase and Read
– VDDQ = VDDQIN = 1.6V to 3.6V for I/O Buffers
◾ HIGH PERFORMANCE
– Access Time: 45, 55 and 60ns
– 75MHz Effective Zero Wait-State Burst Read
– Synchronous Burst Reads
– Asynchronous Page Reads
◾ MEMORY ORGANIZATION
– Eight 64 Kbit small parameter Blocks
– Four 128Kbit large parameter Blocks (of
which one is OTP)
– Sixty-two 512Kbit main Blocks
◾ HARDWARE BLOCK PROTECTION
– WP pin Lock Program and Erase
– VPEN signal for Program/Erase Enable
◾ SOFTWARE BLOCK PROTECTION
– Tuning Protection to Lock Program and
Erase with 64-bit User Programmable
Password (M58BW032B version only)
◾ SECURITY
– 64-bit Unique Device Identifier (UID)
◾ FAST PROGRAMMING
– Write to Buffer and Program capability
◾ OPTIMIZED FOR FDI DRIVERS
– Common Flash Interface (CFI)
– Fast Program/Erase Suspend feature in
each block
◾ LOW POWER CONSUMPTION
– 100µA Typical Standby
◾ ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Top Device Code M58BW032xT: 8838h
– Bottom Device Code M58BW032xB: 8837h
◾ OPERATING TEMPERATURE RANGE
– Automotive (Grade 3): –40 to 125°C
– Industrial (Grade 6): –40 to 90°C