S-24CS64A Datasheet, PDF(7/44 Page) Seiko Instruments Inc

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S-24CS64A Datasheet, PDF (7/44 Pages) Seiko Instruments Inc – 2-WIRE CMOS SERIAL E2PROM

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Rev.3.3_00

2-WIRE CMOS SERIAL E2PROM

S-24CS64A

Â AC Electrical Characteristics

Table 10 Measurement Conditions

Input pulse voltage

Input pulse rising / falling

time

Output judgement voltage

Output load

0.1ÃVCC to 0.9ÃVCC

20 ns

0.5ÃVCC

100 pF+ Pull-up resistor 1.0 kâ¦

VCC

SDA

R=1.0 kâ¦

C=100 pF

Item

SCL clock frequency

SCL clock time âLâ

SCL clock time âHâ

SDA output delay time

SDA output hold time

Start condition setup time

Start condition hold time

Data input setup time

Data input hold time

Stop condition setup time

SCL y SDA rising time

SCL y SDA falling time

Bus release time

Noise suppression time

Figure 5 Output Load Circuit

Table 11

Symbol VCC = 4.5 to 5.5 V VCC = 3.0 to 4.5 V VCC = 1.8 to 3.0 V Unit

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max.

fSCL

0 ï£§ 400 0 ï£§ 400 0 ï£§ 100 kHz

tLOW 1.0 ï£§ ï£§ 1.0 ï£§ ï£§ 4.7 ï£§ ï£§ Âµs

tHIGH 0.9 ï£§ ï£§ 0.9 ï£§ ï£§ 4.0 ï£§ ï£§ Âµs

tAA

0.1 ï£§ 0.9 0.1 ï£§ 0.9 0.1 ï£§ 3.5 Âµs

tDH

50 ï£§ ï£§ 50 ï£§ ï£§ 100 ï£§ ï£§ ns

tSU.STA

0.6

ï£§

ï£§ 0.6 ï£§

ï£§ 4.7 ï£§

ï£§ Âµs

tHD.STA

0.6

ï£§

ï£§ 0.6 ï£§

ï£§ 4.0 ï£§

ï£§ Âµs

tSU.DAT 100 ï£§ ï£§ 100 ï£§ ï£§ 200 ï£§ ï£§ ns

tHD.DAT

ï£§ï£§

ï£§ ï£§ ns

tSU.STO

0.6

ï£§

ï£§ 0.6 ï£§

ï£§ 4.0 ï£§

ï£§ Âµs

ï£§ ï£§ 0.3 ï£§ ï£§ 0.3 ï£§ ï£§ 1.0 Âµs

ï£§ ï£§ 0.3 ï£§ ï£§ 0.3 ï£§ ï£§ 0.3 Âµs

tBUF 1.3 ï£§ ï£§ 1.3 ï£§ ï£§ 4.7 ï£§ ï£§ Âµs

ï£§ ï£§ 50 ï£§ ï£§ 100 ï£§ ï£§ 100 ns

SCL

tSU.STA

SDA IN

SDA OUT

tHIGH

tLOW

tHD.STA tHD.DAT

tSU.DAT

tAA

tDH

Figure 6 Bus Timing

tSU.STO

tBUF

Seiko Instruments Inc.

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