STR910FAW32 datasheet(69/101 Pages) STMICROELECTRONICS

69 / 101 page

STR91xFAx3x, STR91xFAx4x

Electrical characteristics

69/101

7.8.2

Flash memory characteristics

VDDQ = 2.7 - 3.6V, VDD = 1.65 - 2V, TA = -40 / 85 °C unless otherwise specified.

Note:

Flash read access for sequential addresses is 0 wait states at 96 MHz.

Flash read access for non-sequential accesses requires 2 wait states when FMI clock is

above 66 MHz. See STR91xF Flash Programming Manual for more information.

Table 24.

Flash memory program/erase characteristics (Flash size

≤ 512 KB)

Parameter

Test Conditions

Value

Unit

Typ(1)

Typ after

100K W/E

cycles(1)

Max

Bank erase

Primary Bank (512 Kbytes)

11.5

Primary Bank (256 Kbytes)

4.5

Secondary Bank (32 Kbytes)

700

750

950

Sector erase

Of Primary Bank (64 Kbytes)

1300

1400

1800

Of Secondary Bank (8 Kbytes)

300

320

450

Bank program

Primary Bank (512 Kbytes)

3700

4700

5100

Primary Bank (256 Kbytes)

1900

2000

2550

Secondary Bank (32 Kbytes)

250

260

320

Sector program

Of Primary Bank (64 Kbytes)

500

520

640

Of Secondary Bank (8 Kbytes)

Word program

Half word (16 bits)

µs

VDD = 1.8V, VDDQ = 3.3V, TA = 25°C.

Table 25.

Flash memory program/erase characteristics (Flash size = 1 MB / 2 MB)

Parameter

Test Conditions

Value

Unit

Typ(1)

Typ after

100K W/E

cycles(1)

Max

Bank erase

Primary Bank (2 Mbytes)

Primary Bank (1 Mbytes)

Secondary Bank (128 Kbytes)

2.5

Sector erase

Of Primary Bank (64 Kbytes)

1300

1400

1800

Of Secondary Bank (16 Kbytes)

500

600

850

Bank program

Primary Bank (2 Mbytes)

Primary Bank (1 Mbytes)

7.5

Secondary Bank (128 Kbytes)

1060

1140

1380

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