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DS2407 датащи(PDF) 1 Page - Dallas Semiconductor |
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DS2407 датащи(HTML) 1 Page - Dallas Semiconductor |
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1 / 31 page ![]() DS2407 Dual Addressable Switch Plus 1K–Bit Memory DS2407 012099 1/31 FEATURES • Open drain PIO pins are controlled and their logic level can be determined over 1–WireTM bus for closed–loop control • Dual Channel operation (TSOC package) • PIOpinchannelAsinkcapabilityof50mAat0.4Vwith soft turn–on; channel B 8 mA at 0.4V • Maximum operating voltage of 13V at PIO–A, 6.5V at PIO–B • 1024 bits user–programmable OTP EPROM • 7 bytes of user–programmable status memory to con- trol the device • Multiple DS2407s can be identified on a common 1–Wire bus and be turned on or off independently of other devices on the bus • Unique, factory–lasered and tested 64–bit registra- tion number (8–bit family code + 48–bit serial number + 8–bit CRC tester) assures error–free selection and absolute identity because no two parts are alike • On–chip CRC16 generator allows detection of data transfer errors • Built–in multidrop controller ensures compatibility with other MicroLANTM products • Reduces control, address, data, programming and power to a single data pin • Directlyconnectstoasingleportpinofamicroproces- sor and communicates at up to 16.3k bits/s • Low cost TO–92 or 6–pin TSOC surface mount package • 1–Wire communication operates over a wide voltage range of 2.8V to 6.0V from –40 °C to +85°C • Supports Conditional Search with user–program- mable condition • V CC bondout for optional external supply to the device (TSOC package only) • Hidden Mode; the device will respond only to a Match ROM command or a Conditional Search when in this mode. PIN ASSIGNMENT 3 2 1 DALLAS DS2407 TO–92 BOTTOM VIEW 12 3 1 2 3 6 5 4 TSOC PACKAGE TOP VIEW 3.7 X 4.0 X 1.5 mm SIDE VIEW See Mech. Drawings See Mech. Drawings Section Section PIN DESCRIPTION TO–92 TSOC Pin 1 Ground Ground Pin 2 Data Data Pin 3 PIO–A PIO–A Pin 4 –––– VCC Pin 5 –––– NC Pin 6 –––– PIO–B 1–WIRE DATA PIO–A PROTOCOL PIO–B |
Аналогичный номер детали - DS2407 |
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Аналогичное описание - DS2407 |
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