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MC74F3893A Datasheet(PDF) 3 Page - Motorola, Inc |
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MC74F3893A Datasheet(HTML) 3 Page - Motorola, Inc |
3 / 5 page 4-275 FAST AND LS TTL DATA MC74F3893A DC CHARACTERISTICS (Over Recommended Operating Free-Air Temperature Range Unless otherwise specified) Symbol Parameter Limits Unit Test Conditions (Note 1) Symbol Parameter Min Typ (2) Max Unit Test Conditions (Note 1) VOH High-Level Output Voltage Rn 2.5 — — V VCC = MIN: VIL = 1.3 V; RE = 0.8 V: IOH = MAX VOHB High-Level Output Bus Voltage I/On 1.9 — — V VCC = MAX: DN = DE = 0.8 V: VT = 2.0 V: RT = 10Ω: RE = 2.0 V IOH = MAX VOL Output LOW Voltage Rn — 0.35 0.5 V VCC = MIN: VIN = 1.8 V; RE = 0.8 V: IOL = 6.0 mA VOLB Low Level Output Bus Voltage I/On 0.75 1.0 1.2 V Dn = DE = VIH: IOL = 100 mA VOLB Low Level Output Bus Voltage I/On 0.75 1.0 1.1 V Dn = DE = VIH: IOL = 80 mA VOCB Driver Output Positive Clamp Voltage I/On — — 2.9 V VCC = MAX or 0 V: DN = DE = 0.8 V: RE = 2.0 V I/On = 1.0 mA VOCB Driver Output Positive Clamp Voltage I/On — — 3.2 V DE = 0.8 V: RE = 2.0 V I/On = 10 mA VIK Input Clamp Diode Voltage — –0.73 –1.2 V VCC = MIN, II = IIK II Input Current at Maximum Input Voltage — — 100 µA VCC = MAX: VI = 7.0 V: DE = RE = Dn = VCC IIH High Level Input Current Dn, RE, DE — — 20 µA VCC = MAX: DE = RE = Dn = 2.5 V IIHB High-Level I/O Bus Current (Power Off) I/On — — 100 µA VCC = 0 V: DN = DE = 0.8 V: I/On = 1.2 V: RE = 0 V: IIL Low-Level Input Current RE — — –100 VCC = MAX: DE = 4.5 V IIL Low-Level Input Current Dn — — –200 µA VCC = MAX: DE = 4.5 V IL DE — — –500 VI = 0.5V: Dn = 4.5 V IILB Low-Level I/O Bus Current (Power On) I/On –250 — 100 µA VCC = MAX: Dn = DE = 0.8 V: I/On = 0.75 V : RE = 0 V: IOZH Off-State Output Current, High- Level Voltage Applied Rn — — 20 µA VO = 2.5V: RE = 2.0 V VCC = MAX: IOZL Off-State Output Current, Low-Level Voltage Applied Rn — — –20 VCC = MAX: VO = 0.5 V: RE = 2.0 V VCC = MAX: IOS Output Short Circuit Current (Note 3) –80 — –200 mA Dn = 1.2 V: VO = 0 V: RE = 0.8 V ICC Supply Current (Total ) — 55 80 mA VCC = MAX: (RE = VIH or VIL) NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type. 2. All typical values are at VCC = 5.0 V, TA = + 25°C. 3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold techniques are prefer- able in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any sequence of parameter tests, IOS tests should be performed last. |
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