A29L004TL-70

General Description

The A29L004 is a 4Mbit, 3.0 volt-only Flash memory organized as 524,288 bytes of 8 bits. The 8 bits of data appear on I/O0 - I/O7. The A29L004 is offered in 40-pin TSOP, 32-pin PLCC or (s)TSOP packages. This device is designed to be programmed in-system with the standard system 3.0 volt VCC supply. Additional 12.0 volt VPP is not required for in-system write or erase operations. However, the A29L004 can also be programmed in standard EPROM programmers.

Features

■ Single power supply operation
- Full voltage range: 2.7 to 3.6 volt read and write operations for battery- powered applications
- Regulated voltage range: 3.0 to 3.6 volt read and write operations for compatibility with high performance 3.3 volt microprocessors
■ Access times:
- 70/90 (max.)
■ Current:
- 4 mA typical active read current
- 20 mA typical program/erase current
- 200 nA typical CMOS standby
- 200 nA Automatic Sleep Mode current
■ Flexible sector architecture
- 16 Kbyte/ 8 KbyteX2/ 32 Kbyte/ 64 KbyteX7 sectors
- Any combination of sectors can be erased
- Supports full chip erase
- Sector protection:
A hardware method of protecting sectors to prevent any inadvertent program or erase operations within that sector. Temporary Sector Unprotect feature allows code changes in previously locked sectors
■ Unlock Bypass Program Command
- Reduces overall programming time when issuing multiple program command sequence
■ Top or bottom boot block configurations available
■ Embedded Algorithms
- Embedded Erase algorithm will automatically erase the entire chip or any combination of designated sectors and verify the erased sectors
- Embedded Program algorithm automatically writes and verifies data at specified addresses
■ Typical 100,000 program/erase cycles per sector
■ 20-year data retention at 125°C
- Reliable operation for the life of the system
■ Compatible with JEDEC-standards
- Pinout and software compatible with single-power supply Flash memory standard
- Superior inadvertent write protection
■ Data Polling and toggle bits
- Provides a software method of detecting completion of program or erase operations
■ Ready / BUSY pin (RY / BY )
- Provides a hardware method of detecting completion of program or erase operations (not available on 32-pin PLCC & (s)TSOP packages)
■ Erase Suspend/Erase Resume
- Suspends a sector erase operation to read data from, or program data to, a non-erasing sector, then resumes the erase operation
■ Hardware reset pin (RESET )
- Hardware method to reset the device to reading array data (not available on 32 pin PLCC & (s)TSOP packages)
■ Package options
- 40-pin TSOP (forward type), 32-pin PLCC or (s)TSOP (forward type)