DS1501YE+T&R Maxim Integrated Products, DS1501YE+T&R Datasheet - Page 10
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DS1501YE+T&R
Manufacturer Part Number
DS1501YE+T&R
Description
IC RTC WDOG Y2K 5V 28-TSOP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/WDT/NVSRAM/Y2Kr
Datasheet
1.DS1501WE.pdf
(22 pages)
Specifications of DS1501YE+T&R
Memory Size
2K (256 x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-TSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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