ds1216d

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DS1216D Datasheet:

Description:

The DS1216D SmartWatch/RAM 256K/1M is a 32–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, 32K x 8, 128K x 8, or 512K x 8 JEDEC bytewide CMOS static RAM. When the socket is mated with a CMOS SRAM, it provides a complete solution to problems associated with memory volatility 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.

Features:

●Converts standard 8K x 8, 32K x 8, and 512K x 8 CMOS static RAMs into nonvolatile memory● Embedded lithium energy cell maintains watch information and retains RAM data● Watch function is transparent to memory operation● Keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years● 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 minute/month @ 25°C

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PDF for ds1216d:

ds1216d PDF Download

File Size:43213 KB
Manufacturer:Dallas

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ds1216d Supplier
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	Golden Time Electronic Components Co. Part Number:DS1216D \| Mfg: \| Pack: \| D/C: \| Qty:1573 Description: Contact: Ms.Rita Hou Tel: 86-0755-33062649 Fax: 86-0755-33062649	China (Mainland)
	kowah international limited Part Number:DS1216D \| Mfg:DALLAS \| Pack:06+ \| D/C:DIP \| Qty:200 Description: Contact: Ms.Amy Tel: 86-755-82709278 Fax: 86-755-82709378	Hong Kong
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	HK Hexing Electronics Limited Part Number:DS1216D \| Mfg:DALLAS \| Pack: \| D/C:03+ \| Qty:6540 Description:Spot Contact: Mr.Cai Tel: 86-0755-83244995 Fax: 86-0755-83244955	China (Mainland)
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	Asia World Trade Technology Source Part Number:DS1216D \| Mfg:DALLAS \| Pack:DIP-32 \| D/C:03 \| Qty:10 Description: Contact: Ms.Boning Tan Tel: 086-0755-25573524 Fax: 086-0755-25469337	China (Mainland)
	HY (HK) IC LIMITED Part Number:DS1216D \| Mfg: \| Pack: \| D/C:03+ \| Qty:100 Description:NEW IN STOCK Contact: Ms.Melody Chan Tel: 86-755-82535765 Fax: 86-755-82535755	China (Mainland)
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ds1216d

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DS1216D Datasheet: