DS12CR887-5 Maxim Integrated Products, DS12CR887-5 Datasheet - Page 7
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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
(V
CC
= +5.0V, T
250
200
300
150
2.5
+70°C
A
V
CC
= +25°C, unless otherwise noted.)
= 0V
2.8
AD0–AD7
-40°C
RESET
RLCR
vs. TEMPERATURE
GND
V
MOT
V
R/W
BAT
3.0
CS
DS
CC
AS
I
X1
X2
BAT1
V
BAT
vs. V
3.3
+40°C
(V)
INTERFACE
BAT
+85°C
CONTROL
POWER
3.5
OSC
BUS
0°C
3.8
+25°C
_____________________________________________________________________
4.0
DIVIDE
CLOCK/CALENDAR
BY 8
UPDATE LOGIC
DS12885
Typical Operating Characteristics
DIVIDE
BY 64
16:1 MUX
32768.30
32768.70
32768.60
32768.50
32768.40
32768.20
32768.10
32768.00
CALENDAR AND ALARM
CLOCK/CALENDAR AND
REGISTERS A, B, C, D
BUFFERED CLOCK/
ALARM REGISTERS
Real-Time Clocks
REGISTERS
USER RAM
114 BYTES
4.5
GENERATOR
GENERATOR
SQUARE-
DIVIDE
BY 64
WAVE
IRQ
OSCILLATOR FREQUENCY
4.8
Functional Diagram
vs. V
V
CC
5.0
SQW
(V)
IRQ
CC
5.3
5.5
7