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RX21A_15 Datasheet, PDF (123/132 Pages) Renesas Technology Corp – Renesas MCUs | |||
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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 = â40 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
â
0.28
5.1
â
0.32
5.9
â
0.20
2.9
ms
â
0.23
3.3
Programming time
2 bytes
tDP2
when NDPEC > 100 times
8 bytes
tDP8
â
0.36
7.6
â
0.40
8.8
â
0.26
4.3
ms
â
0.28
4.7
Erasure time
128 bytes
tDE128
â
when NDPEC ⤠100 times
4.8
32.3
â
4.1
12.8
ms
Erasure time
128 bytes
tDE128
â
when NDPEC > 100 times
5.8
51.4
â
5.0
18.4
ms
Blank check time
2 bytes
tDBC2
â
â
110
â
â
43
μs
2 Kbytes
tDBC2K
â
â
16.3
â
â
3.1
ms
Suspend delay time during programming
tDSPD
â
(in programming/erasure priority mode)
â
1.7
â
â
1.604 ms
First suspend delay time during
tDSPSD1
â
programming (in suspend priority mode)
â
220
â
â
124
μs
Second suspend delay time during
tDSPSD2
â
programming (in suspend priority mode)
â
1.7
â
â
1.604 ms
Suspend delay time during erasing
tDSED
â
(in programming/erasure priority mode)
â
1.7
â
â
1.604 ms
First suspend delay time during erasing
tDSESD1
â
(in suspend priority mode)
â
220
â
â
124
μs
Second suspend delay time during erasing tDSESD2
â
(in suspend priority mode)
â
1.7
â
â
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
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