X24012

10

A.C. CONDITIONS OF TEST

Input Pulse Levels

Input Rise and Fall Times

10ns

Input and Output Timing Levels

3847 PGM T07

Bus Timing

Note:

eters are periodically sampled and not 100% tested.

POWER-UP TIMING

Symbol

Parameter

Max.

Units

Power-Up to Read Operation

1

ms

Power-Up to Write Operation

5

ms

3847 PGM T09

Read & Write Cycle Limits

Symbol

Parameter

Min.

Max.

Units

SCL Clock Frequency

0

100

KHz

Noise Suppression Time Constant at SCL, SDA Inputs

100

ns

SCL Low to SDA Data Out Valid

0.3

3.5

µs

Time the Bus Must Be Free Before a New Transmission Can Start

4.7

µs

Start Condition Hold Time

4.0

µs

Clock Low Period

4.7

µs

Clock High Period

4.0

µs

Start Condition Setup Time

4.7

µs

Data In Hold Time

0

µs

Data In Setup Time

250

ns

SDA and SCL Rise Time

1

µs

SDA and SCL Fall Time

300

ns

Stop Condition Setup Time

4.7

µs

Data Out Hold Time

300

ns

3847 PGM T08

A.C. CHARACTERISTICS LIMITS (Over recommended operating conditions unless otherwise specified)

EQUIVALENT A.C. LOAD CIRCUIT

3847 FHD F17

3847 FHD F03

tSU:STA

tHD:STA

tHD:DAT

tSU:DAT

tLOW

tSU:STO

tR

tBUF

SCL

SDA IN

SDA OUT

tDH

tAA

tF

tHIGH

5.0V

1533

Ω

100pF

Output