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M28F420

ST Microelectronics
Part Number M28F420
Manufacturer ST Microelectronics
Description 4-Megabit Flash Memory
Published Aug 29, 2005
Detailed Description M28F410 M28F420 4 Megabit (x8 or x16, Block Erase) FLASH MEMORY PRELIMINARY DATA DUAL x8 and x16 ORGANIZATION SMALL SIZ...
Datasheet PDF File M28F420 PDF File

M28F420
M28F420

Overview
M28F410 M28F420 4 Megabit (x8 or x16, Block Erase) FLASH MEMORY PRELIMINARY DATA DUAL x8 and x16 ORGANIZATION SMALL SIZE PLASTIC PACKAGES TSOP56 and SO44 MEMORY ERASE in BLOCKS – One 16K Byte or 8K Word Boot Block (top or bottom location) with hardware write and erase protection – Two 8K Byte or 4K Word Key Parameter Blocks – One 96K Byte or 48K Word Main Block – Three 128K Byte or 64K Word Main Blocks 5V ± 10% SUPPLY VOLTAGE 12V ± 5% PROGRAMMING VOLTAGE 100,000 PROGRAM/ERASE CYCLES PROGRAM/ERASE CONTROLLER AUTOMATIC STATIC MODE LOW POWER CONSUMPTION – 60μA Typical in Standby – 0.
2μA Typical in Deep Power Down – 20/25mA Typical Operating Consumption (Byte/Word) HIGH SPEED ACCESS TIME: 70ns EXTENDED TEMPERATURE RANGES 44 1 TSOP56 (N) 14 x 20mm SO44 (M) Figure 1.
Logic Diagram VCC VPP 18 A0-A17 15 RP DQ0-DQ14 M28F410 M28F420 BYTE DQ15A-1 Table 1.
Signal Names A0-A17 DQ0-DQ7 DQ8DQ14 DQ15A-1 E G W BYTE RP VPP VCC March 1995 Address Inputs Data Input / Outputs Data Input / Outputs Data Input/Output or Address Input Chip Enable Output Enable Write Enable Byte/Word Organization Reset/Power Down/Boot Block Unlock Program & Erase Supply Voltage Supply Voltage W E G VSS AI01130C 1/38 This is preliminary infor mationon a new product now in developmen t or undergoing evaluation.
Details are subject to change without notice.
M28F410, M28F420 Figure 2A.
TSOP Pin Connections NC NC A15 A14 A13 A12 A11 A10 A9 A8 NC NC W RP NC NC VPP DU NC A17 A7 A6 A5 A4 A3 A2 A1 NC 1 56 NC A16 BYTE VSS DQ15A-1 DQ7 DQ14 DQ6 DQ13 DQ5 DQ12 DQ4 VCC VCC DQ11 DQ3 DQ10 DQ2 DQ9 DQ1 DQ8 DQ0 G VSS E A0 NC NC Figure 2B.
SO Pin Connections 14 15 M28F410 M28F420 (Normal) 43 42 VPP DU A17 A7 A6 A5 A4 A3 A2 A1 A0 E VSS G DQ0 DQ8 DQ1 DQ9 DQ2 DQ10 DQ3 DQ11 44 1 2 43 3 42 4 41 5 40 6 39 7 38 8 37 9 36 10 35 11 M28F410 34 12 M28F420 33 13 32 14 31 15 30 16 29 17 28 18 27 19 26 20 25 24 21 22 23 AI01133C RP W A8 A9 A10 A11 A12 A13 A14 A15 A16 BYTE VSS DQ15A-1 DQ7 DQ14 DQ6 DQ13 DQ5 DQ12 DQ4 VCC ...


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