DESCRIPTION

The Microchip Technology Inc. 28LV64A is a CMOS 64K non-volatile electrically Erasable PROM organized as 8K words by 8 bits. The 28LV64A is accessed like a static RAM for the read or write cycles without the need of external components. During a “byte write”, the address and data are latched internally, freeing the microprocessor address and data bus for other operations.

FEATURES

• 2.7V to 3.6V Supply

• Read Access Time—300 ns

• CMOS Technology for Low Power Dissipation

- 8 mA Active

- 50 µA CMOS Standby Current

• Byte Write Time—3 ms

• Data Retention >200 years

• High Endurance - Minimum 100,000 Erase/Write Cycles

• Automatic Write Operation

- Internal Control Timer

- Auto-Clear Before Write Operation

- On-Chip Address and Data Latches

• Data Polling

• Ready/Busy

• Chip Clear Operation

• Enhanced Data Protection

- VCC Detector

- Pulse Filter

- Write Inhibit

• Electronic Signature for Device Identification

• Organized 8Kx8 JEDEC Standard Pinout

- 28-pin Dual-In-Line Package

- 32-pin Chip Carrier (Leadless or Plastic)

- 28-pin Thin Small Outline Package (TSOP) 8x20mm

- 28-pin Very Small Outline Package (VSOP) 8x13.4mm

• Available for Extended Temperature Ranges:

- Commercial: 0˚C to +70˚C

- Industrial: -40˚C to +85˚C