78M6612 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

View to exact match

78M6612

Single-Phase, Dual-Outlet Power and Energy Measurement IC

Maxim Integrated 

DS_6612_001

78M6612 Data Sheet

4.5 Timing Specifications

4.5.1 RAM and Flash Memory

Table 22: RAM and Flash Memory Specifications

Parameter

CE DRAM wait states

Flash Read Pulse Width

Flash write cycles

Flash data retention

Flash data retention

Flash byte writes between page or

mass erase operations

Condition

Min Typ

CKMPU = 4.9152 MHz

5

CKMPU = 1.25 MHz

2

CKMPU = 614 kHz

1

V3P3A=V3P3SYS=0

BROWNOUT MODE

30

-40 °C to +85 °C

20,000

25 °C

100

85 °C

10

Max Unit

Cycles

Cycles

Cycles

100

ns

Cycles

Years

Years

2

Cycles

4.5.2 Flash Memory Timing

Table 23: Flash Memory Timing Specifications

Parameter

Write Time per Byte

Page Erase (512 bytes)

Mass Erase

Condition

Min Typ Max Unit

42

µs

20

ms

200

ms

4.5.3 EEPROM Interface

Table 24: EEPROM Interface Timing

Parameter

Write Clock frequency (I2C)

Write Clock frequency (3-wire)

Condition

Min Typ Max Unit

CKMPU=4.9152 MHz,

Using interrupts

78

kHz

CKMPU=4.9152 MHz,

“bit-banging” DIO4/5

150

kHz

CKMPU=4.9152 MHz

500

kHz

4.5.4 RESET and V1

Parameter

Reset pulse fall time

Reset pulse width

V1 Response Time

Table 25: RESET and V1 Timing

Condition

+100 mv overdrive

Min Typ Max Unit

1

µs

5

µs

10

37

100

µs

4.5.5 RTC

Parameter

Range for date

Table 26: RTC Range

Condition

Min Typ Max Unit

2000

2255 year

Rev 2

35

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