The DS1691 is a (DS1688 / DS1691) 3 Volt/5 Volt Serialized Real Time Clock.
| Package | DIP |
|---|---|
| Operating Voltage | 5 V |
| Max Voltage (typical range) | 5.5 V |
| Min Voltage (typical range) | 4.5 V |
| Length | 19.43 mm |
| Width | 7.62 mm |
| Max Operating Temp | 125 °C |
| Min Operating Temp | -55 °C |
Dallas Semiconductor
X1 X2 RCLR AD0-AD7 PWR KS CS ALE WR RD VCCO – – – – – – – – – – – Crystal Input Crystal Output RAM Clear Input Mux’ed Address/Data Bus Power–on Interrupt Output Kickstart Input RTC Chip Select Input R.
Incorporates industry standard DS1287 PC clock plus enhanced features: PIN ASSIGNMENT VBAUX X1 X2 RCLR AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 PWR GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CEI CEO VCCI VCCO SQW VBAT IRQ PSEL RD GND WR ALE CS KS VBAUX X1 X2 RCLR AD0 AD1 .
Texas Instruments
The DS3691 is a low power Schottky TTL line driver designed to meet the requirements of EIA standards RS-422 and RS-423. It features 4 buffered outputs with high source and sink current capability wit.
1
*2 Dual RS-422 Line Driver with Mode Pin Low, or Quad RS-423 Line Driver with Mode Pin High
* TRI-STATE Outputs in RS-422 Mode
* Short Circuit Protection for Both Source and
Sink Outputs
* Outputs Will Not Clamp Line with Power Off or
In TRI-STATE
* 100Ω Transmission Line Drive Capability
* Low IC.
| Seller | Inventory | Price Breaks | Buy |
|---|---|---|---|
| Win Source | 8500 | 3+ : 24.3751 USD 6+ : 20 USD 9+ : 19.3751 USD 13+ : 18.7503 USD |
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| Worldway Electronics | 12227 | 7+ : 5.559 USD 10+ : 5.4478 USD 100+ : 5.2811 USD 500+ : 5.1143 USD |
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| Run Hong Electronics | 5314 | 1+ : 10.0317 USD | View Offer |
| Part Number | Manufacturer | Description |
|---|---|---|
| DS1691A | National Semiconductor | Line Drivers |
| DS1688 | Dallas Semiconductor | 3 Volt/5 Volt Serialized Real Time Clock |
| DS1691A | Texas Instruments | Line Drivers |