IN74LV245 OCTAL BUS TRANSCEIVER (3-STATE) • • • • • • By pinning IN74LV245 are compatible with IN74HC245A and IN74HCT245A series. Input voltage levels are compatible with standard CMOS levels. Output voltage levels are compatible with input levels of CMOS, NMOS and TTL ICS Supply voltage range: 2.0 to 3.2 V Low input current: 1.0 µА; 0.1 µА at Т = 25 °С Output current 8 mА Latch current value: not less 150 mА at Т = 125 °С ESD acceptable values: not less than 2000 V as per HBM and not less 200 V as per ММ • DIR OE 02 03 04 05 06 07 08 09 20 1 20 D SUFFIX SOIC 1 ORDERING INFORMATION IN74LV245N Plastic DIP IN74LV245D SOIC TA = -40° to 125° C for all packages PIN ASSIGNMENT BLOCK DIAGRAM 01 N SUFFIX PLASTIC 19 A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 18 DIR 01 20 VCC A0 02 19 OE A1 03 18 B0 A2 04 17 B1 A3 05 17 16 15 245 16 B2 A4 06 15 B3 A5 07 14 B4 A6 08 13 B5 A7 09 12 B6 GND 10 11 B7 14 13 FUNCTION TABLE Inputs Inputs/Output s OE DIR А В L L A=B input L H input B=A H X Z Z 12 11 Pin 20=VCC Pin 10 = GND 1 IN74LV245 ABSOLUTE MAXIMUM RATINGS* Symbol Parameter Rating Unit VCC Supply voltage -0.5 to +5.0 V 1 IIK * Input diode current mА ±20 IOK *2 Output diode current mА ±50 IO *3 Output source or sink current mА ±35 ICC VCC current mА ±70 IGND GND current mА ±70 mW PD Power dissipation per package: 750 Plastic DIP *4 4 500 SOIC * Tstg Storage temperature range -65 to +150 °C * In absolute maximum ratings modes functioning is not guaranteed. Vpon lifting the absolute maximum ratings functioning is guaranteed at the recommended operating conditions. *1 Provided VI < -0.5 V or VI > VCC + 0.5 V. *2 Provided VO < -0.5 V or VO > VCC + 0.5 V. *3 Provided -0.5 V < VO < VCC + 0.5 V. *4 When operating in the temperature range of 70°С to 125°C power dissipation value decreases: - for Plastic DIP by 12 mW/°C - for SOIC by 8 mW/°C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC Supply voltage 1.2 3.6 V VIN Input voltage 0 VCC V VOUT Output voltage 0 VCC V TA Operating ambient temperature range. For all -40 125 °C package types ns tLH, tHL Input rise and fall times VCC =1.2 V 0 1000 VCC =2.0 V 700 500 VCC =3.0 V 400 VCC =3.6 V 2 IN74LV245 DC CHARACTERISTICS Symbol Parameter VIH HIGH level input voltage VIL LOW level output voltage VOH HIGH level output voltage VOL II LOW level output voltage Input current IOZ OFF-state current ICC Supply current Limits 25°C -40°C to 85°C min max min max 0.9 VO = VCC- 1.2 0.9 1.4 0.1 V 2.0 1.4 2.1 3.0 2.1 2.5 3.6 2.5 0.3 0.3 VO =0.1 V 1.2 0.6 0.6 2.0 0.9 0.9 3.0 1.1 1.1 3.6 1.0 VI = VIH or VIL 1.2 1.1 1.9 2.0 1.92 IO = -50 µА 2.9 3.0 2.92 3.5 3.6 3.52 VI = VIH or VIL 3.0 2.48 2.34 IO = -8 mА 0.1 0.09 VI = VIH or VIL 1.2 0.1 0.09 2.0 IO = 50 µА 0.1 0.09 3.0 0.09 0.09 3.6 VI = VIH or VIL 3.0 0.33 0.4 IO = 8 mА VI = VCC or 3.6 ±0.1 ±1.0 0V 3.6 3-state ±0.5 ±5 outputs VI = VIL or VIH VO =VCC or 0V 8.0 80 VI =VCC or 3.6 0V IO = 0 µА Test conditions VCC, V 3 125°C Uni t min 0.9 1.4 2.1 2.5 1.0 1.9 2.9 3.5 2.20 max 0.3 0.6 0.9 1.1 - - 0.1 0.1 0.1 0.09 0.5 V - ±1.0 µА - ±10 µА - 160 µА V V V V V IN74LV245 AC CHARACTERISTICS(CL=50 pF, tLH = tHL = 6.0 ns) Limits Test VCC, Symbol Parameter condition V 25°C -40°C to s 85°C min ma min max x 125 - 100 Propagation Figure 1 1.2 tPHL, tPLH 28 23 2.0 from An to delay 18 14 3.0 Bn, from Bn to An 140 - 120 3-state output Figure 2 1.2 tPHZ tPLZ 37 30 2.0 from OE, enable time 24 20 3.0 DIR to An, Bn 140 - 120 3-state output Figure 2 1.2 tPZH tPZL 35 28 2.0 from OE to disable time 21 17 3.0 An, Bn 75 60 1.2 tTHL, tTLH HIGH-to-LOW Figure 1 20 15 2.0 and LOW-to 13 10 3.0 HIGH transition time CI Input For inputs 3.0 7 capacitance 01,19 3.0 20 CI/О Input For capacitance inputs/ outputs 02-09, 11-18 VI = 0 V or 3.0 CPD Power 50 dissipation VCC capacitance (per one channel) 4 125°C Uni t mi n - max 140 34 21 ns - 160 43 28 ns - 160 43 26 90 24 15 - - - - - - pF IN74LV245 tLH tHL 0.9 0.9 An, Bn V1 VCC V1 0.1 tPL 0.1 tPH H L GND 0.9 0.9 V1 V1 Bn, An 0.1 tTHL tTLH 0V 0.1 V1 = 0.5VCC Figure 1 -Time diagram of AC parameters control tPLH, tPHL. OE, DIR tHL tLH 0.9 0.9 VCC V1 V1 0.1 GND 0.1 tPZ 0.9 H tPH V1 An, Bn VOH Z 0V tPLZ An, Bn VCC V1 tPZL 0.1 VOL V1 = 0.5VCC Figure 2 - Time diagram of tPLZ, tPHZ, tPZL, tPZH. AC parameters control 5 IN74LV245 Drawing of the chip 2.3mm 18 17 16 15 14 13 19 12 11 1.99 mm On-chip marking 74LV245 10 1 9 2 3 4 5 6 Pads allocation Table coordinates (counted from lower left corner), Pad mm number X Y 01 0.140 0.573 02 0.140 0.315 03 0.370 0.140 04 0.790 0.140 05 1.000 0.140 06 1.200 0.140 07 1.417 0.140 08 1.833 0.140 09 2.060 0.354 10 2.060 0.760 11 2.060 1.340 12 2.060 1.520 13 1.833 1.750 14 1.415 1.750 15 1.000 1.750 16 0.790 1.750 17 0.580 1.750 18 0.370 1.750 19 0.140 1.544 20 0.140 1.375 6 7 8 Pad size, mm 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108 0.108 x 0.108