TECHNICAL DATA IN7440 Dual 4-Input Positive-NAND Buffers LOGIC DIAGRAM ORDERING INFORMATION IN7440N Plastic IN7440D SOIC TA = -10° to 70° C for all packages PIN ASSIGNMENT PIN 14 =VCC PIN 7 = GND NC - No internal connection FUNCTION TABLE Inputs Output A B C D Y L X X X H X L X X H X X L X H X X X L H H H H H L X =don’t care 1 IN7440 MAXIMUM RATINGS* Symbol Parameter Value Unit VCC Supply Voltage 7.0 V VIN Input Voltage 5.5 V IOL Low Level Output Current 48 mA Tstg Storage Temperature Range -65 to +150 °C * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit 5.25 V VCC Supply Voltage 4.75 VIH High Level Input Voltage 2.0 VIL Low Level Input Voltage 0.8 V IOH High Level Output Current -1.2 mA IOL Low Level Output Current 48 mA TA Ambient Temperature Range +70 °C -10 V DC ELECTRICAL CHARACTERISTICS over full operating conditions Guaranteed Limit Symbol Parameter Test Conditions VIK Input Clamp Voltage VCC = min, IIN = -10 mA VOH High Level Output Voltage VCC = min, IOH =max VOL Low Level Output Voltage VCC = min, IOL=max II Input Current at Maximum Input Voltage IIH IIL Min Max Unit -1.5 V 2.4 V 0.4 V VCC = max, VIN= 5.5 V 1 mA High Level Input Current VCC = max, VIN = 2.4 V 40 µA Low Level Input Current VCC = max, VIN = 0.4 V -1.6 mA -70 mA Outputs High 8 mA Outputs Low 27 IOS* Short-Circuit Output Current ICC Supply Current -18 VCC = max *Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second . 2 IN7440 AC ELECTRICAL CHARACTERISTICS (T = 25°C, VCC = 5.0 V, CL = 15 pF, RL = 130 Ω, Input tr = tf = 10 ns) Symbol Parameter tPLH tPHL Min Max Unit Propagation Delay Time, Low to High Level Output (from Input to Output) 22 ns Propagation Delay Time, High to Low Level Output (from Input to Output) 15 ns Figure 1. Switching Waveforms NOTES A. CL includes probe and jig capacitance. B. All diodes are 1N916 or 1N3064. Figure 2. Test Circuit 3 IN7440 N SUFFIX PLASTIC DIP (MS - 001AA) A Dimension, mm 8 14 B 7 1 Symbol MIN MAX A 18.67 19.69 B 6.1 7.11 5.33 C F L C -T- SEATING PLANE N G M K J H D 0.25 (0.010) M T NOTES: 1. Dimensions “A”, “B” do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. D 0.36 0.56 F 1.14 1.78 G 2.54 H 7.62 J 0° 10° K 2.92 3.81 L 7.62 8.26 M 0.2 0.36 N 0.38 D SUFFIX SOIC (MS - 012AB) Dimension, mm A 14 8 H B 1 G P 7 R x 45 C -TK D SEATING PLANE J 0.25 (0.010) M T C M NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B ‑ 0.25 mm (0.010) per side. F M Symbol MIN MAX A 8.55 8.75 B 3.8 4 C 1.35 1.75 D 0.33 0.51 F 0.4 1.27 G 1.27 H 5.27 J 0° 8° K 0.1 0.25 M 0.19 0.25 P 5.8 6.2 R 0.25 0.5 4