93C56B データシートの表示（PDF） - Atmel Corporation

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93C56B

3-wire Serial EEPROM 2K (256 x 8 or 128 x 16) and 4K (512 x 8 or 256 x 16)

Atmel Corporation 

6. Timing Diagrams

Figure 6-1. Synchronous Data Timing

CS VIH

VIL

SK VIH

VIL

DI VIH

VIL

VOH

DO (Read)

VOL

DO (Program) VOH

VOL

tCSS

tSKH

tDIS

tDIH

tPD0

tSV

tSKL

tPD1

Status Valid

Table 6-1. Organization Key for Timing Diagrams

AT93C56B (2K)

AT93C66B (4K)

I/O

x8

x16

x8

x16

AN

A8(1)

A7(2)

A8

A7

DN

D7

D15

D7

D15

Notes: 1. A8 is a don’t-care value, but the extra clock is required.

2. A7 is a don’t-care value, but the extra clock is required.

Figure 6-2. READ Timing

CS

SK

DI

11

0 AN

A0

High-impedance

DO

0 DN

tCSH

tDF

tDF

tCS

D0

8

AT93C56B/66B [DATASHEET]

Atmel-8735C-SEEPROM-AT93C56B-66B-Datasheet_012015

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