S-24C01A datasheet(5/23 Pages) SII

5 / 23 page

CMOS 2-WIRE SERIAL EEPROM

Rev. 2.2_30

S-24C01A/02A/04A

Seiko Instruments Inc.

AC Electrical Characteristics

Table 9

VCC=1.8V to 5.5V

Parameter

Symbol

Min.

Typ.

Max.

Unit

SCL clock frequency

fSCL

—

100

kHz

SCL clock time "L"

tLOW

4.7

——

µs

SCL clock time"H"

tHIGH

4.0

——

µs

SDA output delay time

tAA

0.3

—

3.5

µs

SDA output hold time

tDH

0.3

——

µs

Start condition setup time

tSU.STA

4.7

——

µs

Start condition hold time

tHD.STA

4.0

——

µs

Data input setup time

tSU.DAT

——

Data input hold time

tHD.DAT

——

Stop condition setup time

tSU.STO

4.7

——

µs

SCL

· SDA rising time

——

1.0

µs

SCL

· SDA falling time

——

0.3

µs

Bus release time

tBUF

4.7

——

µs

Noise suppression time

——

100

Input pulse voltage

0.1

×VCC to 0.9×VCC

Input pulse rising/falling time

20 ns

Output judgment voltage

0.5

×VCC

Output load

100 pF+ Pullup resistance 1.0 k

Ω

Table 8 Measurement Conditions

VCC

R=1.0k

SDA

C=100pF

Figure 3 Output Load Circuit

Figure 4 Bus Timing

SCL

SDA IN

SDA OUT

tBUF

tSU.STO

tSU.DAT

tHD.DAT

tDH

tAA

tHIGH

tLOW

tHD.STA

tSU.STA

invalid

valid

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