SH7046 Datasheet, PDF (572/611 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7046 Series

Section 22 Electrical Characteristics
22.5 Flash Memory Characteristics
Table 22.15 shows flash memory characteristics.
Table 22.15 Flash Memory Characteristics
Conditions: V_CC = 4.0 V to 5.5 V, AV_CC = 4.0 V to 5.5 V, V_SS = PLLV_SS = AV_SS = 0 V, T_a = –20°C
to +75°C (Standard product)*⁶, T_a = –40°C to +85°C (Wide temperature-range
product)*⁶.
Item
Programming time^{*1, *2, *4}
Erase time^{*1, *3, *5}
Reprogramming count
Symbol
t_P
t_E
N_WEC
N_WEC
Data retained time
t_DRP
Programming Wait time after SWE bit setting^*1 t_sswe
Wait time after PSU bit setting^*1 t_spsu
Wait time after P bit setting^{*1 *4}
t_sp30
t_sp200
t_sp10
Wait time after P bit clear^*1
t_cp
Wait time after PSU bit clear^*1
t_cpsu
Wait time after PV bit setting^*1
t_spv
Wait time after H'FF dummy write^*1 t_spvr
Wait time after PV bit clear^*1
t_cpv
Wait time after SWE bit clear^*1
t_cswe
Maximum programming count^{*1, *4} N
Min Typ Max
 10 200
 100 1200
100^*7 10000^*8 —
— — 100
10^*9 —
—
1
1

50 50 
28 30 32
198 200 202
8
10 12
5
5

5
5

4
4

2
2

2
2

100 100 
  1000
Unit
Remarks
ms/
128 bytes
ms/block
Times
Standard
product
Times
Wide
temperature-
range
product
years
µs
µs
µs
Programming
time wait
µs
Programming
time wait
µs
Additional-
programming
time wait
µs
µs
µs
µs
µs
µs
Times
Rev. 4.00 Dec 05, 2005 page 528 of 564
REJ09B0270-0400