S-93C46B Datasheet, PDF(10/45 Page) Seiko Instruments Inc

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S-93C46B Datasheet, PDF (10/45 Pages) Seiko Instruments Inc – CMOS SERIAL E2PROM

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CMOS SERIAL E2PROM

S-93C46B/56B/66B

Â AC Electrical Characteristics

Table 16 Measurement Conditions

Input pulse voltage

Output reference voltage

Output load

0.1 Ã VCC to 0.9 Ã VCC

0.5 Ã VCC

100 pF

Rev.4.3_00

Table 17

Item

CS setup time

CS hold time

CS deselect time

Data setup time

Data hold time

Output delay time

Clock frequency*1

SK clock time âLâ *1

SK clock time âHâ *1

Output disable time

Output enable time

â40 to +85Â°C

+85 to +105Â°C

Symbol VCC = 4.5 to 5.5 V VCC = 2.5 to 4.5 V VCC = 1.8 to 2.5 V VCC = 4.5 to 5.5 V Unit

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

tCSS

0.2 ï£§ ï£§ 0.4 ï£§ ï£§ 1.0 ï£§ ï£§ 0.2 ï£§ ï£§ Âµs

tCSH

0 ï£§ ï£§ 0 ï£§ ï£§ 0 ï£§ ï£§ 0 ï£§ ï£§ Âµs

tCDS

0.2 ï£§ ï£§ 0.2 ï£§ ï£§ 0.4 ï£§ ï£§ 0.2 ï£§ ï£§ Âµs

tDS

0.1 ï£§ ï£§ 0.2 ï£§ ï£§ 0.4 ï£§ ï£§ 0.1 ï£§ ï£§ Âµs

tDH

0.1 ï£§ ï£§ 0.2 ï£§ ï£§ 0.4 ï£§ ï£§ 0.1 ï£§ ï£§ Âµs

tPD

ï£§ ï£§ 0.4 ï£§ ï£§ 0.8 ï£§ ï£§ 2.0 ï£§ ï£§ 0.6 Âµs

fSK

0 ï£§ 2.0 0 ï£§ 0.5 0 ï£§ 0.25 0 ï£§ 1.0 MHz

tSKL

0.1 ï£§ ï£§ 0.5 ï£§ ï£§ 1.0 ï£§ ï£§ 0.25 ï£§ ï£§ Âµs

tSKH

0.1 ï£§ ï£§ 0.5 ï£§ ï£§ 1.0 ï£§ ï£§ 0.25 ï£§ ï£§ Âµs

tHZ1, tHZ2 0 ï£§ 0.15 0 ï£§ 0.5 0 ï£§ 1.0 0 ï£§ 0.15 Âµs

tSV

0 ï£§ 0.15 0 ï£§ 0.5 0 ï£§ 1.0 0 ï£§ 0.15 Âµs

*1. The clock cycle of the SK clock (frequency: fSK) is 1/fSK Âµs. This clock cycle is determined by a combination

of several AC characteristics, so be aware that even if the SK clock cycle time is minimized, the clock cycle

(1/fSK) cannot be made equal to tSKL(Min.) + tSKH(Min.).

Item

Write time

Symbol

tPR

Table 18

â40 to +85Â°C

VCC = 2.7 to 5.5 V

Min.

Typ.

Max.

ï£§

4.0

8.0

+85 to +105Â°C

VCC = 4.5 to 5.5 V

Unit

Min.

Typ. Max.

ï£§

4.0 8.0 ms

Seiko Instruments Inc.

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