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Description

The AM29F400AB-150FC, Am29F400A is a 4 Mbit, 5.0 Volt-only Flash memory organized as 512 Kbytes of 8 bits each or 256 Kwords of 16 bits each. The 4 Mbits of data is divided into 11 sectors of one 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and seven 64 Kbytes, for flexible erase capability. The 8 bits of data will appear on DQ0–DQ7 or 16 bits on DQ0–DQ15. The Am29F400A is offered in 44-pin SO and 48-pin TSOP packages. This device is designed to be programmed in-system with the standard system 5.0 Volt VCCsupply. 12.0 Volt VPPis not required for program or erase operations. The device can also be reprogrammed in standard EPROM programmers.

DISTINCTIVE CHARACTERISTICS

1. 5.0 V ±10% for read and write operations
  (1) Minimizes system level power requirements

2. Compatible with JEDEC-standards
  (1) Pinout and software compatible with single-power-supply flash
  (2) Superior inadvertent write protection

3. Minimum 100,000 write/erase cycles guaranteed

4. High performance
   (1) 60 ns maximum access time

5. Sector erase architecture
   (1) One 16 Kbyte, two 8 Kbytes, one 32 Kbyte, and seven 64 Kbytes
   (2) Any combination of sectors can be erased. Also supports full chip erase.

6. DataPolling and Toggle Bit feature for detection of program or erase cycle completion

7. Ready/Busyoutput (RY/BY)
   (1) Hardware method for detection of program or erase cycle completion