參數(shù)資料
型號(hào): DS1243Y-150
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi): Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP28
封裝: 0.720 INCH, ENCAPSULATED, DIP-28
文件頁(yè)數(shù): 1/13頁(yè)
文件大?。?/td> 245K
代理商: DS1243Y-150
DS1243Y
64k NV SRAM with Phantom Clock
1 of 13
REV: 070705
FEATURES
Real-Time Clock Keeps Track of Hundredths
of Seconds, Seconds, Minutes, Hours, Days,
Date of the Month, Months, and Years
8k x 8 NV SRAM Directly Replaces Volatile
Static RAM or EEPROM
Embedded Lithium Energy Cell Maintains
Calendar Operation and Retains RAM Data
Watch Function is Transparent to RAM
Operation
Month and Year Determine the Number of
Days in Each Month; Valid Up to 2100
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until
Power is Applied for the First Time
Standard 28-Pin JEDEC Pinout
Full ±10% Operating Range
0°C to +70°C Operating Temperature Range
Accuracy is Better than ±1 Minute/Month at
+25°C
Over 10 Years of Data Retention in the
Absence of Power
Available in 120ns and 150ns Access Time
Underwriters Laboratory (UL) Recognized
Available in Lead-Free Package
PIN CONFIGURATION
ORDERING INFORMATION
PART
TEMP RANGE
PIN-PACKAGE
TOP MARK
DS1243Y
0°C to +70°C
28 EMOD (0.720a)
DS1243Y
DS1243Y-120
0°C to +70°C
28 EMOD (0.720a)
DS1243Y-120
DS1243Y-150
0°C to +70°C
28 EMOD (0.720a)
DS1243Y-150
DS1243Y-120+
0°C to +70°C
28 EMOD (0.720a)
DS1243Y-120+
+ Denotes a lead(Pb)-free/RoHS-compliant device.
www.maxim-ic.com
Encapsulated Package
(720-Mil Extended)
A7
A5
A12
A3
A6
A2
A1
A4
A0
DQ0
DQ1
24
GND
23
DQ2
22
VCC
21
1
WE
20
28
27
2
3
N.C.
19
26
4
A8
18
5
A9
17
6
A11
15
7
OE
16
8
A10
9
CE
25
RST
DS1243Y
10
DQ7
11
DQ6
12
DQ5
13
DQ4
14
DQ3
TOP VIEW
相關(guān)PDF資料
PDF描述
DS1243Y 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1244W-120 0 TIMER(S), REAL TIME CLOCK, PDIP28
DS1244YP-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1244WP-120 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1244Y-70 0 TIMER(S), REAL TIME CLOCK, PDMA28
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