SL74LV138 3-TO-8 DECODER/DEMULTIPLEXER By pinning SL74LV138 are compatible with SL74HC138 and SL74HCT138 series. Input voltage levels are compatible with standard CMOS ones. • Output voltage levels are compatible with input levels of CMOS, NMOS and TTL ICS • Supply voltage range is from 1.2 to 5.5 V • Low input current: 1.0 µÀ; 0.1 µÀ at Ò = 25 °Ñ • Output current 6 mÀ • Latch current is not less than 150 mÀ at Ò = 125 °Ñ • ESD acceptable values: than 2000 V as per HBM, and not less than 200 V as per MM ORDERING INFORMATION SL74LV138N Plastic DIP SL74LV138D SOIC TA = -40° to 125° C for all packages BLOCK DIAGRAM Y0 PIN ASSIGNMENT Y1 A0 1 16 VCC A1 2 15 Q0 A2 3 14 Q1 CS2 4 13 Q2 Cs3 5 12 Q3 CS1 6 11 Q4 Y7 7 10 Q5 GND 8 9 Q6 Q5 H H H Q6 H H H Q7 H H H Y2 Y3 A0 Y4 A1 Y5 A2 Y6 CS3 Y7 CS2 CS1 FUNCTION TABLE CS1 X X L SLS System Logic Semiconductor INPUTS CS2 CS3 A2 X H X H X X X X X A1 X X X A0 X X X Q0 H H H Q1 H H H Q2 H H H OUTPUTS Q3 Q4 H H H H H H H H H H L L L L L L L L L L L L L L H H L H L H L H H H H L H H H H L H H H H L H H H H H H H H H H H H H H H H H H H H L L L L L L L L H H H H L L H H L H L H H H H H H H H H H H H H H H H H L H H H H L H H H H L H H H H L SL74LV138 ABSOLUTE MAXIMUM RATINGS Symbol Vcc Parameter Supply voltage Rating Unit -0.5 to +7.0 V Conditions Iik Input diode current ±20 mA VI<-0.5 V orV I>Vcc>+0.5 V Iok Output diode current ±50 mA V0<-0.5 V or VI>Vcc>+0.5 V Output current standard output ±25 mÀ -0.5 V<Vo<Vcc+0.5 V Icc DC Vcc, standard output ±50 mÀ IGND GND current ±50 mÀ Tstg Starage temperature range Io PD -65 to +150 Power dissipation per package: DIP SO 750 500 î Ñ mW Notes: Power dissipation value decreases for: DIP - 12 mW°C in the range from 70 to 125°Ñ SO - 8 mW°C in the range from 70 to 125°Ñ RECOMMENDED OPERATING CONDITIONS Symbol Vcc Parameter Supply voltage Min Max Unit 1.2 5.5 V V VI Input voltage 0 Vcc Vî Output voltage 0 Vcc T tr,tf Ambient temperature range Input rise and fall times -40 +125 500 200 100 50 Conditions V o C ns/V Vcc= 1.0 Vcc= 2.0 Vcc= 2.7 Vcc= 3.6 SLS ÷ 2.0 V ÷ 2.7 V ÷ 3.6 V ÷ 5.5 V System Logic Semiconductor SL74LV138 DC CHARACTERISTICS Sym bol Conditions Parameter Vcñ VI Limits +85 îÑ -40 to +25°C +125 îÑ Unit (V) Min Max Min Max Min Max VIH HIGH level input voltage 1.2 2.0 2.7 to 3.6 4.5 to 5.5 0.9 1.4 2.0 0.7 Vcc - 0.9 1.4 2.0 0.7 Vcc - 0.9 1.4 2.0 0.7 Vcc -- V VIL LOW level output voltage 1.2 2.0 2.7 to 3.6 4.5 to 5.5 - 0.3 0.6 0.8 0.3 Vcc - 0.3 0.6 0.8 0.3 Vcc - 0.3 0.6 0.8 0.3 Vcc V VOH HIGH level output voltage 1.2 2.0 2.7 3.6 5.5 VIH IO =-100 µÀ or VIL 1.05 1.85 2.55 3.45 5.35 - 1.0 1.8 2.5 3.4 5.3 - 1.0 1.8 2.5 3.4 5.3 - V VOH HIGH level output voltage; standard outputs 3.0 4.5 VIH IO =-6 mA or IO =-12 mA VIL 2.48 3.70 - 2.40 3.60 - 2.20 3.50 - V VOL LOW level output voltage 1.2 2.0 2.7 3.6 5.5 VIH IO =100µÀ or VIL - 0.15 0.15 0.15 0.15 0.15 - 0.2 0.2 0.2 0.2 0.2 - 0.2 0.2 0.2 0.2 0.2 V VOL LOW level output voltage; standard outputs 3.0 4.5 VIH IO =6 mA or IO =12 mA VIL - 0.33 0.40 - 0.40 0.55 - 0.50 0.65 V Input leakage current 5.5 Vññ or GND - ±1.0 ±1.0 - ±1.0 µÀ Icc Supply current 5.5 Vññ Io = 0 or GND 8.0 80 160 µÀ Icc Additional supply current per input 0.2 0.5 0.85 mA II SLS 2.7 äî 3.6 VI = Vcc-0.6V System Logic Semiconductor - - SL74LV138 AC CHARACTERISICS (CL=50 pF, RL=1 KΩ, tLH = tHL = 2.5 ns Sym bol Conditions Parameter Vcc Limits -40 to +25°C +85°C +125°C Min Max Min Max Min Max Unit tPHL, tPLH Propagation from An to delay Yn 1.2 2.0 2.7 3.0 4.5 VI = Vcc or GND - 150 33 23 19 14 - 150 36 26 21 16 - 150 44 33 26 20 ns tPHL, tPLH Propagation from CS to delay Yn 1.2 2.0 2.7 3.0 4.5 VI = Vcc or GND - 170 35 26 21 17 - 170 39 29 23 19 - 170 49 36 29 24 ns 5.0 Ò=+25 îÑ 7.0 - ns Ò=+25 îÑ VI = Vcc or GND 134 - ns CI Input capacitance CPD Power dissipation capacitance per package SLS System Logic Semiconductor SL74LV138 Drawing of the chip 1.4 mm 15 13 14 12 11 10 1.33 m m On-chip marking 16 74LV138 9 8 1 7 2 3 4 5 6 Pads allocation Table Pad number 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 SLS coordinates (counted from lower left corner), mm X Y 0.1415 0.6270 0.1415 0.3880 1.1375 0.1515 0.4535 0.1190 0.6245 0.1190 0.7800 0.1190 0.9520 0.1180 1.2685 0.1185 1.2480 0.2960 1.2650 0.5160 1.2650 0.8430 1.2425 1.0820 1.2465 1.3165 0.9520 1.3120 0.7800 1.3110 0.6245 1.3110 System Logic Semiconductor Pad size, mm 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100 0.100 x 0.100