R5F572TFGDFP datasheet(169/176 Pages) RENESAS

169 / 176 page

R01DS0331EJ0100 Rev.1.00

Page 169 of 176

Feb 08, 2019

RX72T Group

5. Electrical Characteristics

5.13

Flash Memory Characteristics

Note 1. Definition of program/erase cycle:

The program/erase cycle is the number of erasing for each block. When the number of program/erase cycles is n, each block

can be erased n times. For instance, when 256-byte program is performed 32 times for different addresses in 8-Kbyte block and

then the block is erased, the program/erase cycle is counted as one. However, the same address cannot be programmed more

than once before the next erase cycle (overwriting is prohibited).

Note 2. Characteristics are degraded as the number of program/erase increases. This is the minimum value of program/erase cycles to

guarantee all characteristics listed in this table.

Note 3. This shows the characteristic when the program/erase cycle does not exceed the specified value.

Table 5.51

Code Flash Memory Characteristics

Conditions: VCC = 2.7 to 5.5 V, VCC_USB = 2.7 to 5.5 V, AVCC0 = AVCC1 = AVCC2 = 3.0 to 5.5V,

VSS = VSS_USB = AVSS0 = AVSS1 = AVSS2 = 0 V,

Temperature range for program/erase: Ta = Topr

Item

Symbol

FCLK = 4 MHz

20 MHz ≤ FCLK ≤ 60 MHz

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Program time

(NPEC ≤ 100 cycles)

256 bytes

tP256

—

0.9

13.2

—

0.4

8 Kbytes

tP8K

—29

176

—13

32 Kbytes

tP32K

—

116

704

—

320

Program time

(NPEC > 100 cycles)

256 bytes

tP256

—

1.1

15.8

—

0.5

7.2

8 Kbytes

tP8K

—35

212

—16

32 Kbytes

tP32K

—

140

848

—

384

Erase time

(NPEC ≤ 100 cycles)

8 Kbytes

tE8K

—

216

—

120

32 Kbytes

tE32K

—

254

864

—

141

480

Erase time

(NPEC > 100 cycles)

8 Kbytes

tE8K

—

260

—

144

32 Kbytes

tE32K

—

304

1040

—

169

576

Program/erase cycles*1

NPEC

1000*2

—

1000*2

——

Cycles

Program suspend latency

tSPD

—

264

—

120

μs

Primary erase suspend latency in suspend

priority mode

tSESD1

—

216

—

120

Secondary erase suspend latency in

suspend priority mode

tSESD2

——

1.7

——

1.7

Erase suspend latency in erase priority

mode

tSEED

——

1.7

——

1.7

Forced stop command

tFD

——

μs

Data retention*3

tDRP

—

Year

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