Product Summary

The word-wide Smart 5 boot block memory 28F400B5 provides pinout-compatible flash memories at the 2-, 4- and 8-Mbit densities. The 28F400B5 can be configured to operate either in 16-bit or 8-bit bus mode, with the data divided into individually erasable blocks.

Parametrics

28F400B5 absolute maximum ratings: (1)Commercial Operating Temperature: During Read/Erase/Program: 0℃ to +70℃; temperature Under Bias: –10℃ to +80℃; (2)Extended Operating Temperature: During Read/Erase/Program: –40℃ to +85℃; temperature Under Bias: –40℃ to +85℃; (3)Storage Temperature: –65℃ to +125℃; (4)Voltage on Any Pin (except VCC, VPP, A9 and RP#) with Respect to GND: –2.0V to +7.0V; (5)Voltage on Pin RP# or Pin A9 with Respect to GND: –2.0V to +13.5V; (6)VPP Program Voltage with Respect to GND during Block Erase and Word/Byte Program: –2.0V to +14.0V; (7) VCC Supply Voltage with Respect to GND: –2.0V to +7.0V; (8)Output Short Circuit Current: 100 mA.

Features

28F400B5 features: (1)SmartVoltage Technology: Smart 5 Flash: 5V Reads, 5V or 12V Writes; Increased Programming Throughput at 12V VPP; (2)Very High-Performance Read: 2-, 4-Mbit: 60 ns Access Time; 8-Mbit: 70 ns Access Time; (3)x8/x16-Configurable Input/Output Bus; (4)Low Power Consumption: Max 60 mA Read Current at 5V; Auto Power Savings: <1 mA Typical Standby Current; (5)Optimized Array Blocking Architecture: 16-KB Protected Boot Block; Two 8-KB Parameter Blocks; 96-KB and 128-KB MaiBlocks; Top or Bottom Boot Locations ; (6)Extended Temperature Operation: –40℃ to +85℃; (7)Industry-Standard Packaging: 44-Lead PSOP, 48-Lead TSOP; (8)Extended Block Erase Cycling: 100,000 Cycles at Commercial Temp; 10,000 Cycles at Extended Temp; (9)Hardware Data ProtectioFeature: Absolute Hardware-Protectiofor Boot Block; Write Lockout during Power Transitions; (10)Automated Word/Byte Program and Block Erase: Command User Interface; Status Registers; Erase Suspend Capability; (11)SRAM-Compatible Write Interface; (12)Reset/Deep Power-DowInput: Provides Low-Power Mode and Reset for Boot Operations; (13)Pinout Compatible 2, 4, and 8 Mbit; (14)ETOX Flash Technology: 0.6 u ETOX IV Initial Production; 0.4 u ETOX V Later Production.

Diagrams

28F400B5 48-Lead TSOP Pinout Diagram

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28F400B5
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28F400BL-B
28F400BL-B

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28F400BL-T
28F400BL-T

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28F400BX-T
28F400BX-T

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28F400CE-B
28F400CE-B

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28F400CE-T
28F400CE-T

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