R5F564MFDDFB datasheet(214/228 Pages) RENESAS

214 / 228 page

R01DS0173EJ0110 Rev.1.10

Page 214 of 228

Oct 24, 2016

RX64M Group

5. Electrical Characteristics

Note 1. Definition of reprogram/erase cycle:

The reprogram/erase cycle is the number of erasing for each block. When the reprogram/erase cycle is n times (n = 100000),

erasing can be performed n times for each block. For instance, when 4-byte programming is performed 512 times for different

addresses in 2-Kbyte block and then the entire block is erased, the reprogram/erase cycle is counted as one. However,

programming the same address for several times as one erasing is not enabled (overwriting is prohibited).

Note 2. This is the minimum number of times to guarantee all the characteristics after reprogramming (guaranteed range is from 1 to the

value of the minimum value).

Note 3. This shows the characteristics when reprogramming is performed within the specified range, including the minimum value.

Table 5.54

Data Flash Memory Characteristics

Conditions: VCC = AVCC0 = AVCC1 = VCC_USB = VBATT = 2.7 to 3.6 V, 2.7 ≤ VREFH0 ≤ AVCC0,

VCC_USBA = AVCC_USBA = 3.0 to 3.6 V

VSS = AVSS0 = AVSS1 = VREFL0 = VSS_USB = VSS1_USBA = VSS2_USBA = PVSS_USBA = AVSS_USBA = 0 V,

Temperature range for programming/erasure: Ta = Topr

Item

Symbol

FCLK = 4 MHz

20 MHz

≤ FCLK ≤ 60 MHz

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Programming time

4 bytes

tDP4

—

0.36

3.8

—

0.16

1.7

Erasure time

64 bytes

tDE64

—3.1

—1.7

Blank check time

4 bytes

tDBC4

——

μs

64 bytes

tDBC64

—

280

—

100

μs

2 Kbytes

tDBC2K

—

6169

—

2200

μs

Reprogramming/erasure cycle*1

NDPEC

100000

—

100000

——

—

Suspend delay time during programming

tDSPD

—

264

—

120

μs

First suspend delay time during erasure

(in suspend priority mode)

tDSESD1

—

216

—

120

μs

Second suspend delay time during

erasure

(in suspend priority mode)

tDSESD2

—

300

—

300

μs

Suspend delay time during erasing

(in erasure priority mode)

tDSEED

—

300

—

300

μs

Forced stop command

tFD

——

μs

Data hold time*3

tDDRP

—

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