参数资料
型号: DS12885S
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDSO24
封装: 0.300 INCH, SOIC-24
文件页数: 20/22页
文件大小: 356K
代理商: DS12885S
DS12885/DS12887/DS12887A/DS12C887/DS12C887A
Real-Time Clock
_____________________________________________________________________
7
Typical Operating Characteristics
(VCC = +5.0V, TA = +25°C, unless otherwise noted.)
OSCILLATOR FREQUENCY
vs. VCC
DS12885
toc02
VCC (V)
FREQUENCY
(Hz)
5.3
5.0
4.8
32768.10
32768.20
32768.30
32768.40
32768.50
32768.60
32768.70
32768.00
4.5
5.5
IBAT1 vs. VBAT
vs. TEMPERATURE
DS12885
toc01
VBAT (V)
I BAT
(nA)
3.8
2.8
3.0
3.3
3.5
200
300
250
150
2.5
4.0
VCC = 0V
+85
°C
+25
°C
0
°C
-40
°C
+70
°C
+40
°C
POWER
CONTROL
GND
OSC
BUS
INTERFACE
VCC
X1
X2
RESET
CS
DS
AS
R/W
MOT
AD0–AD7
DIVIDE
BY 8
DIVIDE
BY 64
DIVIDE
BY 64
16:1 MUX
SQUARE-
WAVE
GENERATOR
REGISTERS A, B, C, D
CLOCK/CALENDAR AND
ALARM REGISTERS
USER RAM
114 BYTES
CLOCK/CALENDAR
UPDATE LOGIC
IRQ
SQW
IRQ
GENERATOR
BUFFERED CLOCK/
CALENDAR AND ALARM
REGISTERS
VBAT
RLCR
DS12885
Functional Diagram
相关PDF资料
PDF描述
DS12885QN 1 TIMER(S), REAL TIME CLOCK, PQCC28
DS12C887 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS12887 1 TIMER(S), REAL TIME CLOCK, PDIP24
DS1302S 0 TIMER(S), REAL TIME CLOCK, PDSO8
DS1302N 0 TIMER(S), REAL TIME CLOCK, PDIP8
相关代理商/技术参数
参数描述
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