công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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DM74ALS645AN bảng dữ liệu(PDF) 2 Page - Fairchild Semiconductor |
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DM74ALS645AN bảng dữ liệu(HTML) 2 Page - Fairchild Semiconductor |
2 / 4 page www.fairchildsemi.com 2 Absolute Maximum Ratings(Note 1) Note 1: The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions Electrical Characteristics Over Recommended Free Air Temperature Range Note 2: For I/O ports, IIH and IIL parameters include the 3-STATE output current (IOZL and IOZH). Switching Characteristics Over Recommended Operating Free Air Temperature Range Supply Voltage 7V Input Voltage; Control Inputs 7V I/O Ports 5.5V Operating Free Air Temperature Range 0 °C to +70°C Storage Temperature Range −65°C to +150°C Typical θ JA N Package 53.0 °C/W M Package 72.0 °C/W Symbol Parameter Min Typ Max Units VCC Supply Voltage 4.5 5 5.5 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −15 mA IOL LOW Level Output Current 24 mA TA Operating Free Air Temperature Range 0 70 °C Symbol Parameter Test Conditions Min Typ Max Units VIC Input Clamp Voltage VCC = Min, II = −18 mA −1.5 V VOH HIGH Level Output Voltage VCC = 4.5 to 5.5V IOH = −0.4 mA VCC − 2 VCC = Max IOH = − 3 mA 2.4 3.2 V IOH = Max 2 VOL LOW Level Output Voltage VCC = Min IOL = 12 mA 0.25 0.4 V IOL = 24 mA 0.35 0.5 II Input Current at VCC = Max I/O Ports, VI = 5.5V 100 µA Maximum Input Voltage Control Inputs, VI = 7V 100 IIH HIGH Level Input Current VCC = Max, VI = 2.7V (Note 2) 20 µA IIL LOW Level Input Current VCC = Max, VI = 0.4V (Note 2) −100 µA IO Output Drive Current VCC = Max, VO = 2.25V −30 −112 mA ICC Supply Current VCC = Max Outputs HIGH 30 45 Outputs LOW 36 55 mA Outputs Disabled 38 58 Symbol Parameter From To Conditions Min Max Units (Input) (Output) tPLH Propagation Delay Time A or B B or A VCC = 4.5 to 5.5V, 310 ns LOW-to-HIGH Level Output CL = 50 pF, tPHL Propagation Delay Time A or B B or A R1 = R2 = 500Ω 310 ns HIGH-to-LOW Level Output tPZH Output Enable Time to HIGH Level Output G A or B 5 20 ns tPZL Output Enable Time to LOW Level Output G A or B 5 20 ns tPHZ Output Disable Time from HIGH Level Output G A or B 2 10 ns tPLZ Output Disable Time from LOW Level Output G A or B 4 15 ns |
Số phần tương tự - DM74ALS645AN |
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Mô tả tương tự - DM74ALS645AN |
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