S24C32C datasheet(6/35 Pages) SII

6 / 35 page

FOR AUTOMOTIVE 105°C OPERATION 2-WIRE SERIAL E2PROM

S-24C32C/64C H Series

Rev.2.1_00_H

Seiko Instruments Inc.



AC Electrical Characteristics

Table 11 Measurement Conditions

0.8

× VCC

Input pulse voltage

Output reference voltage

0.2

× VCC

0.7

× VCC

0.3

× VCC

Input pulse voltage

0.2

× VCC to 0.8 × VCC

Input pulse rising / falling time

20 ns or less

Output reference voltage

0.3

× VCC to 0.7 × VCC

Output load

100 pF

Figure 4 I/O Waveform during AC Measurement

Table 12

Item

Symbol

Ta =

−40°C to +105°C

Unit

VCC = 2.5 V to 5.5 V

Min.

Max.

SCL clock frequency

fSCL

400

kHz

SCL clock time “L”

tLOW

1.3

−

μs

SCL clock time “H”

tHIGH

0.6

−

μs

SDA output delay time

tAA

0.1

0.9

μs

SDA output hold time

tDH

−

Start condition setup time

tSU.STA

0.6

−

μs

Start condition hold time

tHD.STA

0.6

−

μs

Data input setup time

tSU.DAT

100

−

Data input hold time

tHD.DAT

−

Stop condition setup time

tSU.STO

0.6

−

μs

SCL, SDA rising time

−

0.3

μs

SCL, SDA falling time

−

0.3

μs

WP setup time

tWS1

−

μs

WP hold time

tWH1

−

μs

WP release setup time

tWS2

−

μs

WP release hold time

tWH2

−

μs

Bus release time

tBUF

1.3

−

μs

Noise suppression time

−

SCL

SDA

( input )

SDA

( output )

tBUF

tSU.STO

tSU.DAT

tHD.DAT

tDH

tAA

tHIGH

tLOW

tHD.STA

tSU.STA

Figure 5 Bus Timing

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