DS12CR887-5 Maxim Integrated Products, DS12CR887-5 Datasheet - Page 3
![no-image](/images/manufacturer_photos/0/4/417/maxim_integrated_products_sml.jpg)
DS12CR887-5
Manufacturer Part Number
DS12CR887-5
Description
Real Time Clock
Manufacturer
Maxim Integrated Products
Datasheet
1.DS12885N.pdf
(22 pages)
Specifications of DS12CR887-5
Function
Clock, Calendar
Rtc Memory Size
114 B
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Rtc Bus Interface
Multiplexed
Package / Case
eDIP
Time Format
HH:MM:SS, Binary
Date Format
DW:DM:M:Y, Binary
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS12CR887-5+
Manufacturer:
MAXIM/美信
Quantity:
20 000
AC ELECTRICAL CHARACTERISTICS
(V
DC ELECTRICAL CHARACTERISTICS
(V
Cycle Time
Pulse Width, DS Low or R/W High
Pulse Width, DS High or R/W Low
Input Rise and Fall
R/W Hold Time
R/W Setup Time Before DS/E
Chip-Select Setup Time Before
DS or R/W
Chip-Select Hold Time
Read-Data Hold Time
Write-Data Hold Time
Address Valid Time to AS Fall
Address Hold Time to AS Fall
Delay Time DS/E to AS Rise
Pulse Width AS High
Delay Time, AS to DS/E Rise
Output Data Delay Time from DS
or R/W
Data Setup Time
Reset Pulse Width
IRQ Release from DS
IRQ Release from RESET
V
T
V
CC
A
CC
BAT
BAT
= +25°C, V
= 4.5V to 5.5V, T
= 0V, V
Current (OSC On);
Current (Oscillator Off)
PARAMETER
PARAMETER
BAT
BACKUP
= 3.0V, T
A
= 3.0V
= over the operating range.) (Note 2)
A
= over the operating range, unless otherwise noted.) (Note 2)
SYMBOL
SYMBOL
PW
I
PW
PW
t
BATDR
t
t
t
t
t
t
t
t
t
t
t
t
ASED
t
RWH
DHW
DSW
IRDS
t
I
R
RWS
t
DHR
DDR
RWL
CYC
t
AHL
ASD
ASL
IRR
BAT
CH
CS
, t
ASH
EH
EL
F
_____________________________________________________________________
(Note 8)
(Note 8)
CONDITIONS
CONDITIONS
Real-Time Clocks
MIN
MIN
385
150
125
100
10
50
20
10
30
10
20
60
40
20
0
0
5
TYP
TYP
MAX
MAX
120
500
100
DC
30
80
2
2
UNITS
UNITS
nA
nA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
µs
3