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參數(shù)資料
| 型號(hào)： | DS1553-100 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, DMA28 |
| 封裝： | 0.700 INCH, PLASTIC, MODULE, DIP-28 |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大?。?/td> | 278K |
| 代理商： | DS1553-100 |
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022101
FEATURES
Integrated NV SRAM, real time clock, 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%
VCC power supply tolerance
Lithium energy source is electrically
disconnected to retain freshness until power is
applied for the first time
ORDERING INFORMATION
DS1553P-XXX
(5V)
-70
70 ns access
-100
100 ns access
blank 28-pin DIP Module
P
34-pin PowerCap Module
board*
*DS1553WP-XXX
(3.3V)
-120
120 ns access
-150
150 ns access
blank 28-pin DIP Module
P
34-pin PowerCap Module
board*
*DS9034PCX (PowerCap) Required:
must be ordered separately
PIN ASSIGNMENT
PIN DESCRIPTION
A0-A12
- Address Input
DQ0-DQ7
- Data Input/Outputs
IRQ
\FT
- Interrupt, Frequency Test
Output (Open Drain)
RST
- Power-On Reset Output
(Open Drain)
CE
- Chip Enable
OE
- Output Enable
WE
- Write Enable
VCC
- Power Supply Input
GND
- Ground
NC
- No Connection
DS1553
64k NV Y2KC Timekeeping RAM
www.dalsemi.com
VCC
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
28-Pin Encapsulated Package
(700-mil Extended)
1
IRQ/FT
2
3
NC
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
NC
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
NC
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
NC
X1
GND VBAT
X2
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1553W-120 | 0 TIMER(S), REAL TIME CLOCK, DMA28 |
| DS1553P-100 | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| DS1554-70 | 0 TIMER(S), REAL TIME CLOCK, PDMA32 |
| DS1554WP-120 | 0 TIMER(S), REAL TIME CLOCK |
| DS1554W-120 | 0 TIMER(S), REAL TIME CLOCK, PDMA32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1553-100+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1553-70 | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1553-70+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1553-85+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM |
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