
STMicroelectronics
DESCRIPTION
The M27C320 is a 32 Mbit EPROM offered in the OTP range (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storage. It is organised as either 4 MWords of 8 bit or 2 MWords of 16 bit. The pin out is compatible with the 32 Mbit Mask ROM. The M27C320 is offered in TSOP48 (12 x 20mm) and SO44 packages.
■ 5V ± 10% SUPPLY VOLTAGE in READ OPERATION
■ FAST ACCESS TIME: 80ns
■ BYTE-WIDE or WORD-WIDE CONFIGURABLE
■ 32 Mbit MASK ROM REPLACEMENT
■ LOW POWER CONSUMPTION
– Active Current 70mA at 8MHz
– Stand-by Current 100mA
■ PROGRAMMING VOLTAGE: 12V ± 0.25V
■ PROGRAMMING TIME: 100µs/byte (typical)(PRESTO III Algorithm)
■ ELECTRONIC SIGNATURE:
– Manufacturer Code 0020h
– Device Code: 0032h