71M6533 Datasheet, PDF (116/132 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6533/G/H and 71M6534/H Data Sheet
FDS_6533_6534_004
6.5 Timing Specifications
6.5.1 Flash Memory
Table 86: Flash Memory Timing Specifications
Parameter
Flash Read Pulse Width
Flash write cycles
Flash data retention
Flash data retention
Flash byte writes between page or
mass erase operations
Write Time per Byte
Page Erase (1024 bytes)
Mass Erase
Condition
Min Typ
V3P3A = V3P3SYS = 0 30
(BROWNOUT Mode)
-40°C to +85°C
20,000
25°C
100
85°C
10
Max Unit
100
ns
Cycles
Years
Years
2
Cycles
42
µs
20
ms
200
ms
6.5.2 EEPROM Interface
Table 87: EEPROM Interface Timing
Parameter
Write Clock frequency (I²C)
Write Clock frequency (3-wire)
Condition
CKMPU = 4.9 MHz,
Using interrupts
CKMPU = 4.9 MHz,
bit-banging DIO4/5
CKMPU=4.9 MHz
Min Typ Max Unit
78
kHz
150
kHz
500
kHz
6.5.3 RESET
Table 88: RESET Timing
Parameter
Condition
Reset pulse width
Reset pulse fall time
1 _{Guaranteed by design; not production tested.}
Min Typ Max Unit
5
µs
1¹
µs
6.5.4 RTC
Parameter
Range for date
Table 89: RTC Range for Date
Condition
Min Typ Max Unit
2000
-
2255 year
116
Rev 2