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M50FLW040AN5G Datasheet(PDF) 4 Page - STMicroelectronics

Part # M50FLW040AN5G
Description  4 Mbit (5 x 64KByte Blocks 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M50FLW040AN5G Datasheet(HTML) 4 Page - STMicroelectronics

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Table 14. Status Register Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
FIRMWARE HUB/LOW PIN COUNT (FWH/LPC) INTERFACE CONFIGURATION REGISTERS . . . 24
Lock Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Write Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Read Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lock Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 15. Configuration Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Table 16. Lock Register Bit Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 17. General Purpose Inputs Register Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Firmware Hub/Low Pin Count (FWH/LPC) General Purpose Input Register . . . . . . . . . . . . . . 25
Manufacturer Code Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
PROGRAM AND ERASE TIMES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Table 18. Program and Erase Times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 19. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
DC and AC PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 20. Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 21. FWH/LPC Interface AC Measurement Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 22. A/A Mux Interface AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 11.FWH/LPC Interface AC Measurement I/O Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12.A/A Mux Interface AC Measurement I/O Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 13.AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 23. Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 24. DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 14.FWH/LPC Interface Clock Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Table 25. FWH/LPC Interface Clock Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 15.FWH/LPC Interface AC Signal Timing Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 26. FWH/LPC Interface AC Signal Timing Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 16.Reset AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 27. Reset AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 17.A/A Mux Interface Read AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 28. A/A Mux Interface Read AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 18.A/A Mux Interface Write AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 29. A/A Mux Interface Write AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 19.PLCC32 – 32 pin Rectangular Plastic Leaded Chip Carrier, Package Outline . . . . . . . . 36
Table 30. PLCC32 – 32 pin Rectangular Plastic Leaded Chip Carrier, Package Mechanical Data 37
Figure 20.TSOP32 – 32 lead Plastic Thin Small Outline, 8x14 mm, Package Outline . . . . . . . . . . 38
Table 31. TSOP32 – 32 lead Plastic Thin Small Outline, 8x14 mm, Package Mechanical Data. . . 38
Figure 21.TSOP40 – 40 lead Plastic Thin Small Outline, 10 x 20mm, Package Outline. . . . . . . . . 39


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