M58WR064T datasheet(4/81 Pages) STMICROELECTRONICS

Part #	M58WR064T

Description	64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Table 9. Configuration Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Table 10. Burst Type Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... ... .... ... .29

Figure 6. X-Latency and Data Output Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 7. Wait Configuration Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

READ MODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 31

Asynchronous Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... ... .... ... .31

Synchronous Burst Read Mode. . . . . . . . . . . . .... ... . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . 31

Single Synchronous Read Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

DUAL OPERATIONS AND MULTIPLE BANK ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 11. Dual Operations Allowed In Other Banks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 12. Dual Operations Allowed In Same Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... ... 32

BLOCK LOCKING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... ... .... ... .33

Reading a Block’s Lock Status . . . . . . . . . . . . . .... ... .. . . . . . . . . . . . . . . . ... . . . . . .... .. .33

Locked State . . . . . . . . . . . . . . . . . . . .... . . . ... . . . . .... ... .. . . . . . . ... .... ... ... .. . . . 33

Unlocked State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . .... 33

Lock-Down State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Locking Operations During Erase Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 33

Table 13. Lock Status . . . . . . .... ... ... .. . ... . . . . . . ... ... . . . . ... . . . . .... .. ... . . ...34

PROGRAM AND ERASE TIMES AND ENDURANCE CYCLES . . . . . . . . . . . . . . .... ... ... .. . . . 35

Table 14. Program, Erase Times and Program, Erase Endurance Cycles . . . . . . . . .... . . . .... 35

MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . .... ... . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 15. Absolute Maximum Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

DC and AC PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 37

Table 16. Operating and AC Measurement Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 37

Figure 8. AC Measurement I/O Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 37

Figure 9. AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Table 17. Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 37

Table 18. DC Characteristics - Currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 38

Table 19. DC Characteristics - Voltages . . . . . .... ... ... .. . ... . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 10. Asynchronous Random Access Read AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 11. Asynchronous Page Read AC Waveforms . . . . . . . . . . . . . . . . . . . .... ... .... ... .41

Table 20. Asynchronous Read AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . .... ... . . . . ...42

Figure 12. Synchronous Burst Read AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 13. Single Synchronous Read AC Waveforms.... . . . . . . . . . . . . . ... .... ... .... ... .44

Table 21. Synchronous Read AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . 45

Figure 14. Write AC Waveforms, Write Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 46

Table 22. Write AC Characteristics, Write Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . .... 47

Figure 15. Write AC Waveforms, Chip Enable Controlled. . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 48

Table 23. Write AC Characteristics, Chip Enable Controlled . . . . . . . . . . . . . . .... ... .... ... .49

Figure 16. Reset and Power-up AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 50

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