Silicon Laboratories SI2493/57/34/15/04 manual Parameter Symbol Min Typ Max Unit, Eoz, Ecsh Eecs

Models: SI2493/57/34/15/04 SI2494/39

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AN93

Table 28. EEPROM Timing

 

 

Parameter

Symbol

Min.

Typ.

Max.

Unit

 

 

 

 

 

 

 

 

EESD tristated before last falling EECLK edge during read

 

 

 

 

 

 

cycle. Last positive half of EECLK cycle is extended to provide

EOZ

100

ns

 

both 500 ns minimum EOH and 100 ns EESD before EECLK

 

 

 

 

 

 

 

falling edge.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

disable time between accesses

ECSW

500

ns

 

EECS

 

 

 

 

 

 

 

 

 

 

asserted after final EECLK edge

ECSH

1

µs

 

EECS

 

 

 

 

 

 

 

 

*Note: EESD output at negative EECLK edge

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ECLK

EOZ

 

 

EOH

 

 

MSB

LSB

 

EISU

EIH

 

 

EOSU

EDH

 

 

ECSS

 

ECSH

ECSW

EEPROM Data Format

 

 

EESD

8-bit instruction

16-bit address

8-bit data

EECS

Figure 11. EEPROM Serial I/O Timing

32

Rev. 1.3

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Silicon Laboratories SI2493/57/34/15/04, SI2494/39 manual Parameter Symbol Min Typ Max Unit, Eoz, Ecsh Eecs