DS1501WEN Maxim Integrated Products, DS1501WEN Datasheet - Page 10
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DS1501WEN
Manufacturer Part Number
DS1501WEN
Description
Real Time Clock
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1501WE.pdf
(22 pages)
Specifications of DS1501WEN
Function
Clock, Calendar, Alarm, Watchdog Timekeeper
Rtc Memory Size
256 B
Supply Voltage (max)
3.6 V
Supply Voltage (min)
3 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Rtc Bus Interface
Parallel
Package / Case
TSOP
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1501WEN+
Manufacturer:
Maxim
Quantity:
458
Company:
Part Number:
DS1501WEN+
Manufacturer:
Maxim
Quantity:
141
Part Number:
DS1501WEN+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
DS1501WEN+T&R
Manufacturer:
MAXIM
Quantity:
17
Figure 8. Block Diagram
Figure 9. Typical Crystal Layout
LOCAL GROUND PLANE (LAYER 2)
X1
X2
V
V
GND
V
KS
BAUX
BAT
BAT
CRYSTAL
32.768kHz CLOCK
OSCILLATOR
WRITE PROTECTION,
POWER CONTROL
AND POWER-ON
RESET
CLOCK ALARM AND WATCHDOG
GND
X1
X2
COUNTDOWN
DS1501/DS1511
10 of 22
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
CLOCK AND CONTROL
REGISTERS
NV SRAM
256 x 8
16 X 8
IRQ
SQW
DQ0–DQ7
PWR
RST
CE
WE
A0–A4
OE