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参数资料
| 型号： | DS1284 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Timer or RTC |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件页数： | 13/18页 |
| 文件大小： | 299K |
| 代理商： | DS1284 |
DS1284/DS1286
4 of 18
PIN
DIP
EDIP
PLCC
NAME
FUNCTION
28
VCC
Primary Power-Supply Input. When voltage is applied within
normal limits, the device is fully accessible and data can be
written and read. When a backup supply is connected to the
device and VCC is below VTP, read and writes are inhibited.
However, the timekeeping function continues unaffected by the
lower input voltage.
Figure 1. Block Diagram
Internal Registers
Internal Counters
Internal Registers
Oscillator
8
40.96
PF delay
10
Update seconds through
years and check time of
day alarm
User RAM
50 Bytes
Command
Register
External Registers,
clock, calendar,
time of day alarm
A
ddress
Decode
and
Cont
rol
Power
Switch
4
Swap
pins
External
Registers
Hundredths of
Seconds
External
Registers
Watchdog Alarm
Internal Counters
Data I/O Buffers
A0-A5
CE
OE
WE
V
CC
V
BAT
SQW
INTA
INTB/
(INTB)
1024Hz
TD INT
WD INT
DS1286
only
100Hz
DS1286 only
GND
DQ0–DQ7
DS1284/DS1286
X1
X2
P
N
V
CC
IBH
相关PDF资料 |
PDF描述 |
|---|---|
| DS1284QN | 1 TIMER(S), REAL TIME CLOCK, PQCC28 |
| DS1286 | 1 TIMER(S), REAL TIME CLOCK, DIP28 |
| DS12885 | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
| DS12885T | 1 TIMER(S), REAL TIME CLOCK, PQFP32 |
| DS12887A | 1 TIMER(S), REAL TIME CLOCK, PDIP24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1284+ | 功能描述:实时时钟 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 |
| DS1284N | 功能描述:实时时钟 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 |
| DS1284Q | 功能描述:实时时钟 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 |
| DS1284Q/T&R | 制造商:Maxim Integrated Products 功能描述:IC TIMEKEEPER WATCHDOG 28-PLCC |
| DS1284Q/T&R | 功能描述:实时时钟 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 |
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