Product Summary

The AM29F400BB-90SI is a 4 Mbit, 5.0 volt-only Flash memory organized as 524,288 bytes or 262,144 words. The AM29F400BB-90SI is offered in 44-pin SO and 48-pin TSOP packages. The word-wide data (x16) appears on DQ15–DQ0; the byte-wide (x8) data appears on DQ7–DQ0. The AM29F400BB-90SI is designed to be programmed insystem 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.

Parametrics

AM29F400BB-90SI absolute maximum ratings: (1)Storage Temperature Plastic Packages: –65℃ to +150℃; (2)Ambient Temperature with Power Applied: –55℃ to +125℃; (3)Voltage with Respect to Ground: VCC: –2.0 V to +7.0 V, A9, OE#, and RESET#: –2.0 V to +12.5 V, All other pins: –0.5 V to +7.0 V; (4)Output Short Circuit Current: 200 mA.

Features

AM29F400BB-90SI features: (1)Single power supply operation: 5.0 volt-only operation for read, erase, and program operations, Minimizes system level requirements; (2)Manufactured on 0.35 μm process technology: Compatible with 0.5 μm Am29F400 device; (3)High performance: Access times as fast as 55 ns; (4)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).

Diagrams

AM29F400BB-90SI block diagram

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