参数资料
型号: DS1554-70+
厂商: Maxim Integrated Products
文件页数: 1/18页
文件大小: 0K
描述: IC RTC RAM Y2K 5V 70NS 32-EDIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 11
类型: 时钟/日历
特点: 警报器,闰年,NVSRAM,监视计时器,Y2K
存储容量: 32KB
时间格式: HH:MM:SS(24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 32-DIP 模块(0.600",15.24mm)
供应商设备封装: 32-EDIP
包装: 管件
产品目录页面: 1434 (CN2011-ZH PDF)
1 of 18
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
Integrated NV SRAM, Real-Time Clock
(RTC), Crystal, Power-Fail Control Circuit,
and Lithium Energy Source
Clock Registers are Accessed Identically to
the Static RAM; These Registers Reside in
the 16 Top RAM Locations
Century Byte Register (i.e., Y2K Compliant)
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%
VCC Power-Supply Tolerance
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until
Power is Applied for the First Time
Also Available in Industrial Temperature
Range: -40°C to +85°C
PIN CONFIGURATIONS
DS1554
256k, Nonvolatile, Y2K-Compliant
Timekeeping RAM
www.maxim-ic.com
Encapsulated DIP
RST
13
1
2
3
4
5
6
7
8
9
10
11
12
14
31
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
VCC
N.C.
IRQ/FT
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ6
32
30
29
28
27
26
25
24
23
22
21
19
20
N.C.
A12
A6
DQ2
GND
15
16
18
17
DQ4
DQ3
Maxim
DS1554
1
IRQ/FT
2
3
N.C.
RST
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
4
5
6
7
8
9
10
11
12
13
14
15
16
17
N.C.
A14
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
N.C.
X1
GND
VBAT
X2
PowerCap Module Board
(Uses DS9034PCX PowerCap)
Maxim
DS1554
TOP VIEW
19-5497; Rev 9/10
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DS1554-70IND+ 功能描述:实时时钟 256kB NV RAM Timekeeper RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
DS1554P 制造商:未知厂家 制造商全称:未知厂家 功能描述:Real-Time Clock
DS1554P/YP/WP 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:PowerCap with Crystal