DS1501WEN Maxim Integrated Products, DS1501WEN Datasheet - Page 10
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