M28W320FCT datasheet(52/69 Pages) STMICROELECTRONICS

52 / 69 page

Common Flash Interface (CFI)

M28W320FCT, M28W320FCB

52/69

17h

0000h

Alternate Vendor Command Set and Control Interface ID Code second

vendor - specified algorithm supported (0000h means none exists)

18h

0000h

19h

0000h

Address for Alternate Algorithm extended Query table

(0000h means none exists)

1Ah

0000h

Query data are always presented on the lowest order data outputs (DQ7-DQ0) only. DQ8-DQ15 are ‘0’.

Table 27.

CFI Query Identification String(1) (continued)

Offset

Data

Description

Value

Table 28.

CFI Query System Interface Information

Offset

Data

Description

Value

1Bh

0027h

VDD Logic Supply Minimum Program/Erase or Write voltage

bit 7 to 4BCD value in volts

bit 3 to 0BCD value in 100 mV

2.7V

1Ch

0036h

VDD Logic Supply Maximum Program/Erase or Write voltage

bit 7 to 4BCD value in volts

bit 3 to 0BCD value in 100 mV

3.6V

1Dh

00B4h

VPP [Programming] Supply Minimum Program/Erase voltage

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

11.4V

1Eh

00C6h

VPP [Programming] Supply Maximum Program/Erase voltage

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

12.6V

1Fh

0004h

Typical time-out per single word program = 2n µs

16µs

20h

0004h

Typical time-out for Double/ Quadruple Word Program = 2n µs

16µs

21h

000Ah

Typical time-out per individual block erase = 2n ms

22h

0000h

Typical time-out for full chip erase = 2n ms

23h

0005h

Maximum time-out for word program = 2n times typical

512µs

24h

0005h

Maximum time-out for Double/ Quadruple Word Program = 2n times typical

512µs

25h

0003h

Maximum time-out per individual block erase = 2n times typical

26h

0000h

Maximum time-out for chip erase = 2n times typical

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