English
Language : 

RX21A_15 Datasheet, PDF (123/132 Pages) Renesas Technology Corp – Renesas MCUs
RX21A Group
5. Electrical Characteristics
Table 5.52 E2 DataFlash Characteristics (3)
: medium-speed operating modes 1B and 2B
Conditions: VCC = AVCC0 = AVCCA = 1.8 to 3.6 V, VSS = AVSS0 = AVSSA = VREFL = VREFL0 = VREFDSL = 0 V
Temperature range for the programming/erasure operation: Ta = –40 to +105°C
FCLK = 4 MHz
FCLK = 25 MHz*1
Item
Symbol
Unit
Min.
Typ. Max.
Min.
Typ. Max.
Programming time
2 bytes
tDP2
when NDPEC ≤ 100 times
8 bytes
tDP8
—
0.28
5.1
—
0.32
5.9
—
0.20
2.9
ms
—
0.23
3.3
Programming time
2 bytes
tDP2
when NDPEC > 100 times
8 bytes
tDP8
—
0.36
7.6
—
0.40
8.8
—
0.26
4.3
ms
—
0.28
4.7
Erasure time
128 bytes
tDE128
—
when NDPEC ≤ 100 times
4.8
32.3
—
4.1
12.8
ms
Erasure time
128 bytes
tDE128
—
when NDPEC > 100 times
5.8
51.4
—
5.0
18.4
ms
Blank check time
2 bytes
tDBC2
—
—
110
—
—
43
μs
2 Kbytes
tDBC2K
—
—
16.3
—
—
3.1
ms
Suspend delay time during programming
tDSPD
—
(in programming/erasure priority mode)
—
1.7
—
—
1.604 ms
First suspend delay time during
tDSPSD1
—
programming (in suspend priority mode)
—
220
—
—
124
μs
Second suspend delay time during
tDSPSD2
—
programming (in suspend priority mode)
—
1.7
—
—
1.604 ms
Suspend delay time during erasing
tDSED
—
(in programming/erasure priority mode)
—
1.7
—
—
1.604 ms
First suspend delay time during erasing
tDSESD1
—
(in suspend priority mode)
—
220
—
—
124
μs
Second suspend delay time during erasing tDSESD2
—
(in suspend priority mode)
—
1.7
—
—
1.604 ms
Note 1. The FCLK operating frequency is 12.5 MHz (max.) when the voltage is in the range from 1.8 V to less than 2.7 V in mid-speed
operating mode 2B.
R01DS0129EJ0110 Rev.1.10
Aug 28, 2014
Page 123 of 132