编辑: f19970615123fa 2019-07-01

5 R Q D Q CK E

11 QD E (Note 2) L D R Q D Q CK

6 CK

2 L L E (Note) (Note) (Note) (Note) TC74AC161,163P/F/FN/FT 2006-02-01

5 Absolute Maximum Ratings (Note 1) Characteristics Symbol Rating Unit Supply voltage range VCC ?0.5 to 7.0 V DC input voltage VIN ?0.5 to VCC + 0.5 V DC output voltage VOUT ?0.5 to VCC + 0.5 V Input diode current IIK ±20 mA Output diode current IOK ±50 mA DC output current IOUT ±50 mA DC VCC/ground current ICC ±125 mA Power dissipation PD

500 (DIP) (Note 2)/180 (SOP/TSSOP) mW Storage temperature Tstg ?65 to

150 °C Note1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Note2:

500 mW in the range of Ta = ?40 to 65°C. From Ta =

65 to 85°C a derating factor of ?10 mW/°C should be applied up to

300 mW. Recommended Operating Conditions (Note) Characteristics Symbol Rating Unit Supply voltage VCC 2.0 to 5.5 V Input voltage VIN

0 to VCC V Output voltage VOUT

0 to VCC V Operating temperature Topr ?40 to

85 °C Input rise and fall time dt/dV

0 to

100 (VCC = 3.3 ± 0.3 V)

0 to

20 (VCC =

5 ± 0.5 V) ns/V Note: The recommended operating conditions are required to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. TC74AC161,163P/F/FN/FT 2006-02-01

6 Electrical Characteristics DC Characteristics Ta = 25°C Ta = ?40 to 85°C Characteristics Symbol Test Condition VCC (V) Min Typ. Max Min Max Unit High-level input voltage VIH D 2.0 3.0 5.5 1.50 2.10 3.85 D D D D D D 1.50 2.10 3.85 D D D V Low-level input voltage VIL D 2.0 3.0 5.5 D D D D D D 0.50 0.90 1.65 D D D 0.50 0.90 1.65 V IOH = ?50 ?A 2.0 3.0 4.5 1.9 2.9 4.4 2.0 3.0 4.5 D D D 1.9 2.9 4.4 D D D High-level output voltage VOH VIN = VIH or VIL IOH = ?4 mA IOH = ?24 mA IOH = ?75 mA (Note) 3.0 4.5 5.5 2.58 3.94 D D D D D D D 2.48 3.80 3.85 D D D V IOL =

50 ?A 2.0 3.0 4.5 D D D 0.0 0.0 0.0 0.1 0.1 0.1 D D D 0.1 0.1 0.1 Low-level output voltage VOL VIN = VIH or VIL IOL =

12 mA IOL =

24 mA IOL =

75 mA (Note) 3.0 4.5 5.5 D D D D D D 0.36 0.36 D D D D 0.44 0.44 1.65 V Input leakage current IIN VIN = VCC or GND 5.5 D D ±0.1 D ±1.0 ?A Quiescent supply current ICC VIN = VCC or GND 5.5 D D 8.0 D 80.0 ?A Note: This spec indicates the capability of driving

50 ? transmission lines. One output should be tested at a time for a

10 ms maximum duration. TC74AC161,163P/F/FN/FT 2006-02-01

7 Timing Requirements (input: tr = tf =

3 ns) Ta = 25°C Ta = ?40 to 85°C Characteristics Symbol Test Condition VCC (V) Limit Limit Unit Minimum pulse width (CK) tw (L) tw (H) Figure

1 3.3 ± 0.3 5.0 ± 0.5 7.0 5.0 7.0 5.0 ns Minimum pulse width ( CLR ) (Note 1) tw (L) Figure

4 3.3 ± 0.3 5.0 ± 0.5 7.0 5.0 7.0 5.0 ns Minimum set-up time ( LOAD , ENP, ENT) ts Figure 2, Figure

3 3.3 ± 0.3 5.0 ± 0.5 11.0 7.0 13.0 7.0 ns Minimum set-up time (A, B, C, D) ts Figure

2 3.3 ± 0.3 5.0 ± 0.5 8.0 4.0 8.0 4.0 ns Minimum set-up time ( CLR ) (Note 2) ts Figure

5 3.3 ± 0.3 5.0 ± 0.5 6.0 4.0 6.0 4.0 ns Minimum hold time th Figure 2, Figure 3, Figure

5 3.3 ± 0.3 5.0 ± 0.5 1.0 1.0 1.0 1.0 ns Minimum removal time ( CLR ) (Note 1) trem Figure

4 3.3 ± 0.3 5.0 ± 0.5 6.0 4.0 6.0 4.0 ns Note 1: For TC74AC161 only Note 2: For TC74AC163 only TC74AC161,163P/F/FN/FT 2006-02-01

8 AC Characteristics (CL =

50 pF, RL =

500 ?, input: tr = tf =

3 ns) Ta = 25°C Ta = ?40 to 85°C Characteristics Symbol Test Condition VCC (V) Min Typ. Max Min Max Unit Propagation delay time (CK-Q) tpLH tpHL Figure

1 3.3 ± 0.3 5.0 ± 0.5 D D 8.8 6.5 15.8 9.6 1.0 1.0 18.0 11.0 ns Propagation delay time (CK-carry, cou........

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