DS12R885 Maxim, DS12R885 Datasheet - Page 6

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

RTCs with Constant-Voltage Trickle Charger
6
RESET
IRQ
DS
_____________________________________________________________________
AD0–AD7
R/W
AS
DS
CS
IRQ Release Delay Timing
t
t
IRDS
ASD
OUTPUTS
INPUTS
V
V
PF(MAX)
PF(MIN)
V
CC
t
ASD
RECOGNIZED
VALID
PW
ASH
t
PW
F
t
ASL
EL
t
t
IRR
RWL
t
t
ASED
CS
t
AHL
DON'T CARE
HIGH-Z
t
CYC
t
DR
Power-Up/Power-Down Timing
t
DDR
PW
EH
Intel Bus Read Timing
t
R
RECOGNIZED
t
RPU
VALID
t
DHR
t
CH