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HD74BC245ATELL Datasheet(PDF) 4 Page - Renesas Technology Corp |
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HD74BC245ATELL Datasheet(HTML) 4 Page - Renesas Technology Corp |
4 / 9 page HD74BC245A Rev.4.00, Jul.16.2004, page 4 of 8 Electrical Characteristics (Ta = –40°C to +85°C) Item Symbol V CC(V) Min Max Unit Test Conditions Input voltage V IH 2.0 — V V IL —0.8 V Output voltage V OH 4.5 2.4 — V I OH = –3 mA 4.5 2.0 — V I OH = –15 mA V OL 4.5 — 0.5 V I OL = 48 mA 4.5 — 0.55 V I OL = 64 mA Input diode voltage V IK 4.5 — –1.2 V I IN = –18 mA Input current I I 5.5 — –250 µA V IN = 0 V 5.5 — 100 µA An or Bn, V IN = 5.5 V 5.5 — 1.0 µA DiR or G, V IN = 5.5 V 5.5 — 100 µA DiR or G, V IN = 7.0 V Short circuit output current* 1 I OS 5.5 –100 –225 mA V O = 0 V, VIN = 5.5 V Off state output current I OZH 5.5 — –100 µA V O = 2.7 V I OZL 5.5 — –250 µA V O = 0.5 V Supply current I CCL 5.5 — 31.5 mA V IN = 0 or 5.5 V All outputs is “L” I CCH 5.5 — 0.5 mA V IN = 0 or 5.5 V All outputs is “H” I CCZ 5.5 — 4.5 mA V IN = 0 or 5.5 V All outputs is “Z” I CCT* 2 5.5 — 1.5 mA V IN = 3.4 or 0.5 V Notes : 1. Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second. 2. When input by the TTL level, it shows I CC increase at per one input pin. Switching Test Method (C L = 50 pF) Ta = 25°C V CC = 5.0 V Ta = –40 to 85°C V CC = 5.0 V ±10% Item Symbol Min Max Min Max Unit Test Conditions Propagation delay time t PLH 3.0 6.0 3.0 7.0 ns An to Bn t PHL 3.0 6.0 3.0 7.0 t PLH 3.0 6.0 3.0 7.0 ns Bn to An t PHL 3.0 6.0 3.0 7.0 Output enable time t ZH 3.0 9.0 3.0 11.0 ns G to Bn t ZL 3.0 9.0 3.0 11.0 t ZH 3.0 9.0 3.0 11.0 ns G to An t ZL 3.0 9.0 3.0 11.0 Output disable time t HZ 3.0 8.0 3.0 10.0 ns G to Bn t LZ 3.0 8.0 3.0 10.0 t HZ 3.0 8.0 3.0 10.0 ns G to An t LZ 3.0 8.0 3.0 10.0 Input capacitanse C IN 3.0(Typ) — pF V IN = VCC or GND Input/output capacitance C I/O 15.0(Typ) — pF V I/O = VCC or GND |
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