TMP86FS49AIUG datasheet(288/296 Pages) TOSHIBA

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Page 272

22. Electrical Characteristics

22.6 Flash Characteristics

TMP86FS49AIUG

22.5 AC Characteristics

22.6 Flash Characteristics

22.6.1 Write/Retention Characteristics

(VSS = 0 V, 4.5 V ≤ VDD ≤ 5.5 V, Topr = -40 to 85°C)

Parameter

Symbol

Condition

Min

Typ.

Max

Unit

Machine cycle time

tcy

NORMAL1, 2 modes

0.25

–

µs

IDLE0, 1, 2 modes

SLOW1, 2 modes

117.6

–

133.3

SLEEP0, 1, 2 modes

High-level clock pulse width

tWCH

For external clock operation (XIN input)

fc = 16 MHz

–

31.25

–

Low-level clock pulse width

tWCL

High-level clock pulse width

tWSH

For external clock operation (XTIN input)

fs = 32.768 kHz

–

15.26

–

µs

Low-level clock pulse width

tWSL

(VSS = 0 V, 3.0 V ≤ VDD < 4.5 V, Topr = -40 to 85°C)

Paramete

Symbol

Condition

Min

Typ.

Max

Unit

Machine cycle time

tcy

NORMAL1, 2 modes

0.5

–

µs

IDLE0, 1, 2 modes

SLOW1, 2 modes

117.6

–

133.3

SLEEP0, 1, 2 modes

High-level clock pulse width

tWCH

For external clock operation (XIN input)

fc = 8 MHz

–

62.5

–

Low-level clock pulse width

tWCL

High-level clock pulse width

tWSH

For external clock operation (XTIN input)

fs = 32.768 kHz

–

15.26

–

µs

Low-level clock pulse width

tWSL

(VSS = 0 V)

Paramete

Condition

Min

Typ.

Max.

Unit

Number of guaranteed writes to flash memory

VSS = 0 V, Topr = -10 to 40°C

–

100

Times

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