DS1501W Maxim Integrated Products, DS1501W Datasheet - Page 4
DS1501W
Manufacturer Part Number
DS1501W
Description
IC RTC WDOG Y2KC 3.3V 28-DIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/WDT/NVSRAM/Y2Kr
Datasheet
1.DS1501WE.pdf
(22 pages)
Specifications of DS1501W
Memory Size
2K (256 x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1501W
Manufacturer:
DALLAS
Quantity:
12
Part Number:
DS1501W+
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1501WE
Manufacturer:
Maxim
Quantity:
2 631
Company:
Part Number:
DS1501WE+
Manufacturer:
NXP
Quantity:
646
Company:
Part Number:
DS1501WE+T&R
Manufacturer:
MAXIM
Quantity:
174
Company:
Part Number:
DS1501WEN+
Manufacturer:
Maxim
Quantity:
458
Part Number:
DS1501WEN+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
DS1501WS
Manufacturer:
DS
Quantity:
20 000
Part Number:
DS1501WS+
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1501WSN
Manufacturer:
MAXIM/美信
Quantity:
20 000
AC OPERATING CHARACTERISTICS
(V
Figure 1. Read Cycle Timing
Read Cycle Time
Address Access Time
CE to DQ Low-Z
CE Access Time
CE Data Off Time
OE to DQ Low-Z (0°C to +85°C)
OE to DQ Low-Z (-40°C to 0°C)
OE Access Time
OE Data-Off Time
Output Hold from Address
Write Cycle Time
Address Setup Time
WE Pulse Width
CE Pulse Width
Data Setup Time
Data Hold Time
Address Hold Time
WE Data-Off Time
Write Recovery Time
Pulse Width, OE, WE, or CE High
Pulse Width, OE, WE, or CE Low
CC
= 3.3V ±10%, T
PARAMETER
A
DQ0-DQ7
= 0°C to +70°C; V
CE
OE
A0–A4
CC
= 3.3V ±10%, T
SYMBOL
t
PW
AA
PW
t
CEL
t
t
t
t
t
t
t
t
t
t
t
WEW
t
t
CEW
t
t
t
t
t
t
WEZ
CEA
CEZ
OEL
OEL
OEA
OEZ
CEL
WC
WR
t
OH
RC
AA
AS
DS
DH
AH
CEA
t
HIGH
LOW
OEL
t
OEA
4 of 22
t
RC
(Note 8)
(Note 8)
(Note 8)
(Note 8)
(Note 8)
(Note 8)
A
CONDITIONS
= -40°C to +85°C.)
DS1501/DS1511 Y2KC Watchdog Real-Time Clocks
VALID
t
OEZ
t
CEZ
MIN
t
120
120
100
110
100
OH
80
15
40
5
5
2
5
0
5
5
TYP
MAX
120
120
100
40
35
40
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns