Rainbow-electronics DS1500 Uživatelský manuál stáhnout pdf (Strana 5)

DS1500 Y2KC Watchdog RTC with Nonvolatile Control

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Figure 2. Write Cycle Timing, Write-Enable-Controlled

Figure 3. Write Cycle Timing, Chip-Select-Controlled

t

WC

t

AH

t

D

S

t

AS

t

WEZ

t

DH

t

WR

t

AS

DATA INPUT

DQ0-DQ7

WE

CS

A0-A4

DATA OUTPUT DATA INPUT

t

WEW

VALID VALID

t

WC

t

AH

t

DS

t

AS

t

DH

t

WR

t

AS

DATA INPUT

DQ0-DQ7

WE

CS

A0-A4

DATA INPUT

t

CSW

VALID VALID

1 2 3 4 5 6 7 8 9 10 ... 18 19

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