HD151244 Octal Buffers/Line Drivers With 3 State Outputs ADE-205-596 (Z) 1st. Edition Dec. 2000 Description The HD151244 using CMOS process, provides high speed and high drivability equivalent to HD74LS240 with super low power dissipation. The device has eight inverter drivers (three state outputs) in 20 pin package. Each four drivers construct a group and the two groups are controlled separately by 1G and 2G which enable the output at low level. Power up down protection function keeps the output in high impedance state at low VCC regardless of the state in enable inputs. Features • High speed • High output current • • • • tpd = 10 ns (Typ) IOH = –15 mA IOL = 24 mA Both input and output is TTL level Wide operating temperature: Ta = –40 to +85°C Both input and output is high impedance state at supply off The function provides power up down protection HD151244 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) Function Table Inputs G A Output Y H X Z L H H L L L H L Z X 2 : : : : High level Low level High impedance Irrelevant HD151244 Absolute Maximum Ratings (Ta = 25°C) Item Symbol Rating Unit Supply Voltage VCC –0.5 to +7.0 V Input Voltage (G, A) VIN –0.5 to +7.0 V Output Voltage VOUT –0.5 to +5.5 V Power Dissipation PT 500 mW 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 Symbol Min Typ Max Unit Supply Voltage VCC 4.5 5.0 5.5 V Output Current I OH — — –15 mA I OL — — 24 mA Topr –40 25 85 °C t r, t f 0 — 250 ns/V Operating Temperature 1 Input Rise and Fall Time* Note: 1. This item guarantees maximum limit when one input switches. Waveform: Refer to test circuit of switching characteristics. 3 HD151244 Electrical Characteristics (Ta = –40°C to +85°C) Item Symbol VCC (V) Min Max Unit Conditions Input Voltage VIH — 2.0 — V VIL — — 0.8 V VOH 4.5 2.4 — V 4.5 2.0 — 4.5 — 0.4 4.5 — 0.5 I OZ 5.5 — ±5.0 I OZ(off) 0 — ±5.0 I IN 5.5 — ±1.0 Output Voltage VOL Off State Output Current Input Current I OH = –3 mA, VIN = VCC – 2.1 V or 0.5 V I OH = –15 mA, VIN = VCC – 2.1V or 0.5 V V I OL = 12 mA, VIN = VCC – 2.1 V or 0.5 V I OL = 24 mA, VIN = VCC – 2.1 V or 0.5 V µA VOUT = VCC or GND VOUT = 5.5 V µA VIN = VCC or GND I IN(off) 0 — ±1.0 1 Output Short current* I OS 5.5 –40 –225 mA Power Supply Current I CC 5.5 — 0.5 mA I OUT = 0 µA, VIN = VCC or 0.5 V 5.5 — 1.5 VIN = VCC – 2.1 V or 0.5 V I CCT* 2 VIN = 5.5 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 1 pin. Switching Characteristics (CL = 50 pF) Ta = 25°C VCC = 5 V Item Min Max Min Max Unit Conditions Propagation Delay Time t PLH 3.0 15.0 3.0 18.0 ns See Next Page t PHL 3.0 15.0 3.0 18.0 Output Rise Time t TLH 0.0 10.0 0.0 10.0 Output Fall Time t THL 0.0 10.0 0.0 10.0 Output Enable Time t ZH 3.0 25.0 3.0 30.0 t ZL 3.0 25.0 3.0 30.0 t HZ 3.0 25.0 3.0 30.0 t LZ 3.0 25.0 3.0 30.0 Input Capacitance CIN — 5 (Typ) — — pF VIN = VCC or GND Output Capacitance CO — 12 (Typ) — — pF VO = VCC or GND Output Disable Time 4 Symbol Ta = –40°C to 85°C VCC = 5 V ±10% ns ns ns HD151244 Test Circuit 1 VCC VCC RL = 1k Ω G See Function Table Output Input Pulse Generator Z out = 50 Ω 1A1 1A4 Notes: 1. 2. 3. CL = 50 pF 1A2 1A3 S1 1Y1 RL = 1k Ω 1Y2 Same as load circuit 1Y3 Same as load circuit 1Y4 Same as load circuit CL includes probe and jig capacitance. 2G, 2A1-2A4 to 2Y1-2Y4 are idential to above load circuit. S1 is a input/output switch. Waveforms 1 tf tr 90% Input 10% 3.0 V 90% 1.3 V 1.3 V 10% 0V t PHL t PLH S1 : OPEN 90% Output S1 : OPEN 1.3 V 10% t TLH Notes: 1. 2. 90% 1.3 V 10% VOH VOL t THL t r = 6.0 ns, tf = 6.0 ns Input waveforms: PRR = 1 MHz, duty cycle 50% 5 HD151244 Waveforms 2 tf G tr 90% 1.3 V 10% 10% t ZL Waveforms – A 3.0 V 90% 1.3 V t LZ 0V S1 : VCC S1 : VCC 1.3 V t ZH Waveforms – B S1 : GND 10% t HZ VOL 90% VOH 1.3 V S1 : GND Notes: 1. 2. 3. 4. 6 VCC 0V t r = 6.0 ns, tf = 6.0 ns Input waveforms: PRR = 1 MHz, duty cycle 50% Waveform – A shows input conditions such that the output is low level when enable by the output control. Waveform – B shows input conditions such that the output is high level when enable by the output control. HD151244 Package Dimensions Unit: mm 24.50 25.40 Max 1 7.00 Max 11 6.30 20 10 1.30 2.54 ± 0.25 0.48 ± 0.10 0.51 Min 1.27 Max 7.62 2.54 Min 5.08 Max 0.89 + 0.11 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Mass (reference value) DP-20N — Conforms 1.26 g Unit: mm 12.6 13 Max 11 1 10 1.27 *0.42 ± 0.08 0.40 ± 0.06 0.10 ± 0.10 0.80 Max *0.22 ± 0.05 0.20 ± 0.04 2.20 Max 5.5 20 0.20 7.80 +– 0.30 1.15 0° – 8° 0.70 ± 0.20 0.15 0.12 M *Dimension including the plating thickness Base material dimension Hitachi Code JEDEC EIAJ Mass (reference value) FP-20DA — Conforms 0.31 g 7 HD151244 Unit: mm 6.50 6.80 Max 11 1 10 4.40 20 0.65 *0.22+0.08 –0.07 0.20 ± 0.06 1.0 0.13 M 6.40 ± 0.20 *Dimension including the plating thickness Base material dimension 8 0.07 +0.03 –0.04 0.10 *0.17 ± 0.05 0.15 ± 0.04 1.10 Max 0.65 Max 0° – 8° 0.50 ± 0.10 Hitachi Code JEDEC EIAJ Mass (reference value) TTP-20DA — — 0.07 g HD151244 Cautions 1. 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Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products. Hitachi, Ltd. Semiconductor & Integrated Circuits. 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