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MC14538B bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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1 / 10 page MOTOROLA CMOS LOGIC DATA 1 MC14538B Dual Precision Retriggerable/Resettable Monostable Multivibrator The MC14538B is a dual, retriggerable, resettable monostable multivibra- tor. It may be triggered from either edge of an input pulse, and produces an accurate output pulse over a wide range of widths, the duration and accuracy of which are determined by the external timing components, CX and RX. • Unlimited Rise and Fall Time Allowed on the A Trigger Input • Pulse Width Range = 10 µs to 10 s • Latched Trigger Inputs • Separate Latched Reset Inputs • 3.0 Vdc to 18 Vdc Operational Limits • Triggerable from Positive (A Input) or Negative–Going Edge (B–Input) • Capable of Driving Two Low–power TTL Loads or One Low–power Schottky TTL Load Over the Rated Temperature Range • Pin–for–pin Compatible with MC14528B and CD4528B (CD4098) • Use the MC54/74HC4538A for Pulse Widths Less Than 10 µs with Supplies Up to 6 V. MAXIMUM RATINGS* (Voltages Referenced to VSS) Symbol Parameter Value Unit VDD DC Supply Voltage – 0.5 to + 18.0 V Vin, Vout Input or Output Voltage (DC or Transient) – 0.5 to VDD + 0.5 V Iin, Iout Input or Output Current (DC or Transient), per Pin ± 10 mA PD Power Dissipation, per Package† 500 mW Tstg Storage Temperature – 65 to + 150 _C TL Lead Temperature (8–Second Soldering) 260 _C * Maximum Ratings are those values beyond which damage to the device may occur. †Temperature Derating: Plastic “P and D/DW” Packages: – 7.0 mW/ _C From 65_C To 125_C Ceramic “L” Packages: – 12 mW/ _C From 100_C To 125_C ONE–SHOT SELECTION GUIDE 100 ns MC14528B MC14536B MC14538B MC14541B MC4538A* 1 µs 10 µs 100 µs 1 ms 10 ms 100 ms 1 s 10 s *LIMITED OPERATING VOLTAGE (2 – 6 V) TOTAL OUTPUT PULSE WIDTH RANGE RECOMMENDED PULSE WIDTH RANGE 23 HR 5 MIN. MOTOROLA SEMICONDUCTOR TECHNICAL DATA © Motorola, Inc. 1995 REV 3 1/94 MC14538B L SUFFIX CERAMIC CASE 620 ORDERING INFORMATION MC14XXXBCP Plastic MC14XXXBCL Ceramic *MC14XXXBDW SOIC TA = – 55° to 125°C for all packages. P SUFFIX PLASTIC CASE 648 DW SUFFIX SOIC CASE 751G BLOCK DIAGRAM * Consult factory for possible “D” suffix SOIC Case 751B. VDD VDD 6 7 10 9 12 11 5 4 A B CX RX 1 2 Q1 Q1 RESET 3 CX RX 15 14 Q2 Q2 RESET 13 A B RX AND CX ARE EXTERNAL COMPONENTS. VDD = PIN 16 VSS = PIN 8, PIN 1, PIN 15 |
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Mô tả tương tự - MC14538B |
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