HD74BC240A Octal Buffers/Line Drivers With 3 State Outputs REJ03D0280–0300Z (Previous ADE-205-006A (Z)) Rev.3.00 Jul.16.2004 Description The HD74BC240A provides high drivability and operation equal to or better than high speed bipolar standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5 of high speed bipolar logic IC, when the frequency is 10 MHz. The device has eight inverter drivers with three state outputs in a 20 pin package. This device is a non inverting buffer and has two active low enables (1G and 2G). Each enable independently controls 4 buffers. Features • Input/Output are at high impedance state when power supply is off. • Built in input pull up circuit can make input pins be open, when not used. • TTL level input • Wide operating temperature range Ta = –40 to + 85°C • Ordering Information Part Name HD74BC240AP Package Type DILP-20 pin Package Code DP-20N, -20NEV Package Abbreviation P Taping Abbreviation (Quantity) — HD74BC240AFPEL SOP-20 pin (JEITA) FP-20DAV FP EL (2,000 pcs/reel) HD74BC240ATELL TSSOP-20 pin T ELL (2,000 pcs/reel) TTP-20DAV Note: Please consults the sales office for the above package availability. Function Table Inputs G Output Y A H X Z L L H L L H H L X Z : : : : High level Low level Immaterial High impedance Rev.3.00, Jul.16.2004, page 1 of 8 HD74BC240A Pin Arrangement 1G 1 20 VCC 1A1 2 19 2G 2Y4 3 18 1Y1 1A2 4 17 2A4 2Y3 5 16 1Y2 1A3 6 15 2A3 2Y2 7 14 1Y3 1A4 8 13 2A2 2Y1 9 12 1Y4 GND 10 11 2A1 (Top view) Absolute Maximum Ratings Item Supply voltage Input diode current Input voltage Output voltage Off state output voltage Symbol VCC Rating –0.5 to +7.0 Unit V IIK VIN ±30 –0.5 to +7.5 mA V VOUT VOUT(off) –0.5 to +7.5 –0.5 to +5.5 V V Storage temperature Tstg –65 to +150 °C Note: 1. The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two of which may be realized at the same time. Recommended Operating Conditions Item Supply voltage VCC 4.5 5.0 5.5 V Input voltage Output voltage VIN VOUT 0 0 — — VCC VCC V V Operating temperature Input rise/fall time*1 Topr tr, tf –40 0 — — 85 8 °C ns/V Note: Symbol Min Typ 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. Rev.3.00, Jul.16.2004, page 2 of 8 Max Unit HD74BC240A Logic Diagram 1G 2G 1A1 1Y1 2Y4 2A4 1A2 1Y2 2Y3 2A3 1A3 1Y3 2Y2 2A2 1A4 1Y4 2Y1 2A1 Rev.3.00, Jul.16.2004, page 3 of 8 HD74BC240A Electrical Characteristics (Ta = –40°C to +85°C) Item Symbol Input voltage VIH VIL Output voltage VOH Input diode voltage Input current VCC(V) Min Max Unit Test Conditions 2.0 — — 0.8 V V 4.5 4.5 2.4 2.0 — — V V IOH = –3 mA IOH = –15 mA VOL 4.5 4.5 — — 0.5 0.55 V V IOL = 48 mA IOL = 64 mA VIK II 4.5 5.5 — — –1.2 –250 V µA IIN = –18 mA VIN = 0 V 5.5 5.5 — — 1.0 100 µA µA VIN = 5.5 V VIN = 7.0 V Short circuit output current*1 Off state output current IOS IOZH 5.5 5.5 –100 — –225 50 mA µA VIN = 0 or 5.5 V VO = 2.7 V Supply current IOZL ICCL 5.5 5.5 — — –50 27.5 µA mA VO = 0.5 V VIN = 0 or 5.5 V All outputs is “L” ICCH 5.5 — 2.5 mA ICCZ 5.5 — 2.5 mA VIN = 0 or 5.5 V All outputs is “H” VIN = 0 or 5.5 V All outputs is “Z” ICCT*2 5.5 — 1.5 mA VIN = 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 ICC increase at per one input pin. Switching Test Method (CL = 50 pF) Ta = 25°C VCC = 5.0 V Ta = –40 to 85°C VCC = 5.0 V ±10% Item Propagation delay time Symbol Min tPLH 3.0 Max 6.0 Min 3.0 Max 7.0 Unit Test Conditions ns See under figure Output enable time tPHL tZH 3.0 3.0 6.0 8.0 3.0 3.0 7.0 10.0 ns Output disable time tZL tHZ 3.0 3.0 8.0 7.0 3.0 3.0 10.0 9.0 ns 3.0 7.0 3.0(Typ) 3.0 — 9.0 Input capacitanse tLZ CIN Output capacitance CO 15.0(Typ) — Rev.3.00, Jul.16.2004, page 4 of 8 pF VIN = VCC or GND pF VO = VCC or GND HD74BC240A Test Circuit VCC VCC Output *3 Input Pulse Generator Zout = 50 Ω See Function Table G 1A1 500 Ω 1Y1 CL = 50 pF 1A2 50 Ω Scope Output 1A3 1Y2 Same as above load circuit 1Y3 Same as above load circuit 1Y4 Same as above load circuit 1A4 Notes: 1. CL includes probe and jig capacitance. 2. 2G, 2A1-2A4 to 2Y1-2Y4 are identical to above load circuit. 3. Open: tPLH, tPHL, tZH, tHZ 7 V: tZL, tLZ Rev.3.00, Jul.16.2004, page 5 of 8 450 Ω OPEN 7V HD74BC240A Waveforms-1 tf Input A tr 90% 90% 1.5 V 3V 1.5 V 10% 10% 0V t PLH t PHL VOH 1.5 V Output Y 1.5 V VOL Notes: 1. tr = 2.5 ns, tf = 2.5 ns 2. Input waveform: PRR =1 MHz, duty cycle 50% Waveforms-2 tf Input G tr 90% 1.5 V 90% 1.5 V 10% 10% 3V 0V t ZL t LZ 3.5 V 1.5 V Waveform–A VOL + 0.3 V t ZH VOH – 0.3 V Waveform–B VOL t HZ VOH 1.5 V 0V Notes: 1. tr = 2.5 ns, tf = 2.5 ns 2. Input waveform: PRR = 1 MHz, duty cycle 50% 3. Waveform-A shows input conditions such that the output is “L” level when enable by the output control. 4. Waveform-B shows input conditions such that the output is “H” level when enable by the output control. Rev.3.00, Jul.16.2004, page 6 of 8 HD74BC240A Package Dimensions As of January, 2003 Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 2.54 ± 0.25 0.51 Min 1.27 Max 0.48 ± 0.10 2.54 Min 5.08 Max 1.30 0.89 7.62 + 0.11 0.25 – 0.05 0˚ – 15˚ Package Code JEDEC JEITA Mass (reference value) DP-20N — Conforms 1.26 g Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 1.30 2.54 ± 0.25 *0.48 ± 0.08 0.51 Min 1.27 Max 2.54 Min 5.08 Max 0.89 7.62 *0.25 ± 0.06 0˚ – 15˚ *NI/Pd/AU Plating Rev.3.00, Jul.16.2004, page 7 of 8 Package Code JEDEC JEITA Mass (reference value) DP-20NEV — Conforms 1.26 g HD74BC240A As of January, 2003 Unit: mm 12.6 13 Max 11 1 10 5.5 20 *0.20 ± 0.05 2.20 Max 1.15 0˚ – 8 ˚ 0.10 ± 0.10 0.80 Max 0.20 7.80 +– 0.30 1.27 *0.40 ± 0.06 0.70 ± 0.20 0.15 0.12 M Package Code JEDEC JEITA Mass (reference value) *Ni/Pd/Au plating FP-20DAV — Conforms 0.31 g As of January, 2003 Unit: mm 6.50 6.80 Max 11 1 10 4.40 20 0.65 *0.20 ± 0.05 1.0 0.13 M 6.40 ± 0.20 *Ni/Pd/Au plating Rev.3.00, Jul.16.2004, page 8 of 8 0.07 +0.03 –0.04 0.10 *0.15 ± 0.05 1.10 Max 0.65 Max 0˚ – 8˚ 0.50 ± 0.10 Package Code JEDEC JEITA Mass (reference value) TTP-20DAV — — 0.07 g Sales Strategic Planning Div. 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