參數(shù)資料
型號： DS1553P-100
英文描述： 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
中文描述： 64kB的，非易失，公元2000年兼容的時鐘內(nèi)存
文件頁數(shù)： 1/19頁
文件大小： 560K
代理商： DS1553P-100
1 of 19
REV: 022304
Note:
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata
.
GENERAL DESCRIPTION
The DS1553 is a full-function, year-2000-compliant
(Y2KC) real-time clock/calendar (RTC) with an RTC
alarm, watchdog timer, power-on reset, battery
monitor, and 8k x 8 nonvolatile static RAM. User
access to all registers within the DS1553 is
accomplished with a bytewide interface as shown in
Figure 1. The RTC registers contain century, year,
month, date, day, hours, minutes, and seconds data in
24-hour BCD format. Corrections for day of month and
leap year are made automatically.
ORDERING INFORMATION
*
PowerCap required, must be ordered separately.
PIN CONFIGURATIONS
TOP VIEW
FEATURES
Integrated NV SRAM, RTC, Crystal, Power-Fail
Control Circuit, and Lithium Energy Source
Clock Registers are Accessed Identically to the
Static RAM; These Registers are Resident in the 16
Top RAM Locations
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
Precision Power-On Reset
Programmable Watchdog Timer and RTC Alarm
BCD-Coded Year, Month, Date, Day, Hours,
Minutes, and Seconds with Automatic Leap Year
Compensation Valid Up to the Year 2100
Battery Voltage Level Indicator Flag
Power-Fail Write Protection Allows for 10% V
CC
Power-Supply Tolerance
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until Power is
Applied for the First Time
PART
PIN-PACKAGE
28 EDIP
28 EDIP
34 PowerCap
34 PowerCap
28 EDIP
28 EDIP
34 PowerCap
34 PowerCap
—
V
CC
(V)
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
—
TOP MARK
DS1553-100
DS1553-070
DS1553P-100
DS1553P-70
DS1553W-120
DS1553W-150
DS1553WP-120
DS1553WP-150
DS9034PCX
DS1553-100
DS1553-70
DS1553P-100
DS1553P-70
DS1553W-120
DS1553W-150
DS1553WP-120
DS1553WP-150
DS9034PCX*
DS1553
64kB, Nonvolatile, Year-2000-Compliant
Timekeeping RAM
www.maxim-ic.com
PowerCap is a registered trademark of Dallas Semiconductor.
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7
8
9
10
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14
15
16
17
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
IRQ
/FT
N.C.
N.C.
RST
V
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
N.C.
N.C.
N.C.
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
34
N.C.
X1
GND
V
BAT
X2
DS1553
28-Pin Encapsulated Package
(700-mil Extended)
V
CC
WE
IRQ
/FT
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
RST
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DS1553
相關(guān)PDF資料
PDF描述
DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
DS1553-100 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
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DS1556-70 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
DS1556-70IND 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1553P-100+ 功能描述:實時時鐘 64kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1553P-70 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1553P-70+ 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1553P-85+ 功能描述:實時時鐘 64kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1553W-120 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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