DS12R885 Maxim, DS12R885 Datasheet - Page 5

• Manufacturer Part Number: DS12R885
• Description: The DS12R885 is a functional drop-in replacement for the DS12885 real-time clock (RTC)
• Manufacturer: Maxim

AD0–AD7
WRITE
RTCs with Constant-Voltage Trickle Charger
R/W
AS
DS
CS
AD0–AD7
AD0–AD7
WRITE
READ
R/ W
AS
DS
CS
t
ASD
t
t
ASD
ASD
t
ASL
PW
ASH
_____________________________________________________________________
PW
PW
PW
ASH
EL
EL
t
ASL
t
t
CS
CS
t
ASED
t
t
AHL
t
t
AHL
ASED
CYC
t
CYC
Motorola Bus Read/Write Timing
t
RWS
t
DDR
PW
PW
t
DSW
EH
EH
t
DSW
Intel Bus Write Timing
t
t
CH
RWH
t
t
DHW
DHR
t
t
CH
DHW
5