DS1746 Maxim, DS1746 Datasheet - Page 12

• Manufacturer Part Number: DS1746
• Description: The DS1746 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 128k x 8 nonvolatile static RAM
• Manufacturer: Maxim

WRITE CYCLE TIMING DIAGRAM, WRITE-ENABLE CONTROLLED
WRITE CYCLE TIMING DIAGRAM, CHIP-ENABLE CONTROLLED
DQ0-DQ7
DQ0-DQ7
A0-A16
A0-A16
CE
WE
CE
WE
DATA OUTPUT
t
AS
t
AS
t
WEZ
VALID
t
WC
VALID
t
WC
t
WEW
t
CEW
DATA INPUT
t
DS
DATA INPUT
t
DS
12 of 16
t
t
WR1
DH1
t
t
WR2
DH2