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GENERAL DESCRIPTION

The Am29F800B is an 8 Mbit, 5.0 volt-only Flash memory organized as 1,048,576 bytes or 524,288 words. The device is offered in 44-pin SO, 48-pin TSOP, and 48-ball FBGA packages. The device is also available in Known Good Die (KGD) form. For more information, refer to publication number 21631. The word-wide data (x16) appears on DQ15–DQ0; the byte-wide (x8) data appears on DQ7–DQ0. This device is designed to be programmed in-system with the standard system 5.0 volt VCC supply. A 12.0 V VPP is not required for write or erase operations. The device can also be programmed in standard EPROM programmers.

DISTINCTIVE CHARACTERISTICS

■ Single power supply operation

— 5.0 Volt-only operation for read, erase, and

program operations

— Minimizes system level requirements

■ Manufactured on 0.32 μm process technology

— Compatible with 0.5 μm Am29F800 device

■ High performance

— Access times as fast as 55 ns

■ Low power consumption (typical values at 5 MHz)

— 1 μA standby mode current

— 20 mA read current (byte mode)

— 28 mA read current (word mode)

— 30 mA program/erase current

■ Flexible sector architecture

— One 16 Kbyte, two 8 Kbyte, one 32 Kbyte, and

fifteen 64 Kbyte sectors (byte mode)

— One 8 Kword, two 4 Kword, one 16 Kword, and

fifteen 32 Kword sectors (word mode)

— Supports full chip erase

— Sector Protection features:

A hardware method of locking a sector to

prevent any program or erase operations within

that sector

— Sectors can be locked via programming

equipment

Temporary Sector Unprotect feature allows code

changes in previously locked sectors

■ Top or bottom boot block configurations available

■ Embedded Algorithms

— Embedded Erase algorithm automatically

preprograms and erases the entire chip or any

combination of designated sectors

— Embedded Program algorithm automatically

writes and verifies data at specified addresses

■ Minimum 1,000,000 program/erase cycles per

sector guaranteed

■ 20-year data retention at 125°C

— Reliable operation for the life of the system

■ Package option

— 48-pin TSOP

— 44-pin SO

— 48-ball FBGA

— Known Good Die (KGD)

(see publication number 21631) (Continue ...)