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參數(shù)資料
| 型號： | DS1216C |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | XO, clock |
| 英文描述： | SmartWatch/RAM 16K/65K(16K/65K位帶實時時鐘的掉電保護(hù)RAM插座) |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, DIP28 |
| 封裝： | 0.600 INCH, SOCKET, DIP-28 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 26K |
| 代理商： | DS1216C |
DS1216C
SmartWatch/RAM 64K/256K
DS1216C
031998 1/2
FEATURES
Keeps track of hundredths of seconds, seconds, min-
utes, hours, days, date of the month, months, and
years
Converts standard 8K x 8 and 32K x 8 CMOS static
RAMs into nonvolatile memory
Embedded lithium energy cell maintains watch infor-
mation and retains RAM data
Watch function is transparent to RAM operation
Month and year determine the number of days in each
month; leap year compensation valid up to 2100
Lithium energy source is electrically disconnected to
retain freshness until power is applied for the first time
Proven gas–tight socket contacts
Full
±
10% operating range
Operating temperature range 0
°
C to 70
°
C
Accuracy is better than
±
1 min./month @ 25
°
C
PIN ASSIGNMENT
28–PIN INTELLIGENT SOCKET
RST
1
2
3
4
5
6
7
8
9
10
DQ0
11
12
13
GND 14
28
V
CC
WE
27
26
25
24
23
22
OE
21
20
CE
19
18
17
16
15
PIN DESCRIPTION
All pins pass through except 20, 28.
Pin 1
RST
– RESET
Pin 11
DQ0
– Data Input/Output 0
Pin 14
GND
– Ground
Pin 20
CE
– Conditioned Chip Enable
Pin 22
OE
– Output Enable
Pin 27
WE
– Write Enable
Pin 28
V
CC
– Switched V
CC
DESCRIPTION
The DS1216C SmartWatch/RAM is a 28–pin, 600 MIL
wide DIP socket with a built–in CMOS watch function, a
nonvolatile RAM controller circuit, and an embedded
lithium energy source. It accepts either an 8K x 8 or a
32K x 8 JEDEC bytewide CMOS static RAM. When the
socket is mated with a CMOS SRAM, it provides a com-
plete solution to problems associated with memory vol-
atility and uses a common energy source to maintain
time and date. A key feature of the SmartWatch is that
the watch function remains transparent to the RAM.
See the DS1216B SmartWatch/RAM 16/64K data sheet
for technical details.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1216D(中文) | Using the Dallas Phantom Real Time Clocks(256K/1M位帶實時時鐘的帶掉電保護(hù)SRAM插座) |
| DS1216D | Using the Dallas Phantom Real Time Clocks(256K/1M位帶實時時鐘的帶掉電保護(hù)SRAM插座) |
| DS1216E | SmartWatch/RAM 16K/66K(16K/66K帶實時時鐘的ROM或掉電保護(hù)RAM插座) |
| DS1216F | SmartWatch/ROM 64K/256K/1M(64K/256K/1M位帶實時時鐘的ROM或掉電保護(hù)RAM插座) |
| DS1218 | Nonvolatile Controller(非易失性控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1216D | 功能描述:存儲器控制器 SmartWatch RAM RoHS:否 制造商:Maxim Integrated |
| DS1216E | 功能描述:存儲器控制器 SmartWatch ROM RoHS:否 制造商:Maxim Integrated |
| DS1216F | 功能描述:IC SMART/ROM 3V 64/256/1M 32DIP RoHS:否 類別:集成電路 (IC) >> 存儲器 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:45 系列:- 控制器類型:靜態(tài) RAM（SRAM） 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| DS1216F-3 | 功能描述:IC SMART/ROM 3V 64/256/1M 32DIP RoHS:否 類別:集成電路 (IC) >> 存儲器 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:45 系列:- 控制器類型:靜態(tài) RAM（SRAM） 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| DS1216H | 功能描述:存儲器控制器 SmartWatch RAM RoHS:否 制造商:Maxim Integrated |
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