SPICE MODEL of TC74AC08F in SPICE PARK
1 like188 views
The document provides a detailed device modeling report for the TC74AC08F CMOS digital integrated circuit, including truth tables, circuit simulation results, and various electrical characteristics such as input/output voltages and propagation delay times. It features measurements and simulations comparing expected parameter values with actual outcomes, highlighting error percentages. The information is copyrighted by Bee Technologies Inc. for 2005.
SPICE MODEL of TC74AC08F in SPICE PARK
- 1. Device Modeling Report COMPONENTS : CMOS DIGITAL INTEGRATED CIRCUIT PART NUMBER : TC74AC08F MANUFACTURER : TOSHIBA Bee Technologies Inc. All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 2. Truth Table Circuit simulation result U1:1A 0 U1:1B 0 U1:2A 0 U1:2B 0 U1:3A 0 U1:3B 0 U1:4A 0 U1:4B 0 Y1 0 Y2 0 Y3 0 Y4 0 0s 0.5us 1.0us Time Evaluation circuit U1 LO 1A VCC 1B 4B LO LO 1Y 4A Y1 LO 2A 4Y LO Y4 2B 3B LO LO R1 V1 2Y 3A Y2 LO 1MEG 5 GND 3Y Y3 TC74AC08 0 Comparison table Input Output %Error An Bn Yn (Measurement) Yn (Simulation) L L L L 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 3. Truth Table Circuit simulation result U1:1A 0 U1:1B 1 U1:2A 0 U1:2B 1 U1:3A 0 U1:3B 1 U1:4A 0 U1:4B 1 Y1 0 Y2 0 Y3 0 Y4 0 0s 0.5us 1.0us Time Evaluation circuit U1 LO 1A VCC HI 1B 4B HI 1Y 4A Y1 LO 2A 4Y LO Y4 HI 2B 3B HI R1 V1 2Y 3A Y2 LO 1MEG 5 GND 3Y Y3 TC74AC08 0 Comparison table Input Output %Error An Bn Yn (Measurement) Yn (Simulation) L H L L 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 4. Truth Table Circuit simulation result U1:1A 1 U1:1B 0 U1:2A 1 U1:2B 0 U1:3A 1 U1:3B 0 U1:4A 1 U1:4B 0 Y1 0 Y2 0 Y3 0 Y4 0 0s 0.5us 1.0us Time Evaluation circuit U1 HI 1A VCC 1B 4B LO LO 1Y 4A HI Y1 HI 2A 4Y Y4 2B 3B LO LO R1 V1 2Y 3A HI Y2 1MEG 5 GND 3Y Y3 TC74AC08 0 Comparison table Input Output %Error An Bn Yn (Measurement) Yn (Simulation) H L L L 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 5. Truth Table Circuit simulation result U1:1A 1 U1:1B 1 U1:2A 1 U1:2B 1 U1:3A 1 U1:3B 1 U1:4A 1 U1:4B 1 Y1 1 Y2 1 Y3 1 Y4 1 0s 0.5us 1.0us Time Evaluation circuit U1 HI 1A VCC HI 1B 4B HI 1Y 4A HI Y1 HI 2A 4Y Y4 HI 2B 3B HI R1 V1 2Y 3A HI Y2 1MEG 5 GND 3Y Y3 TC74AC08 0 Comparison table Input Output %Error An Bn Yn (Measurement) Yn (Simulation) H H H H 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 6. High Level and Low Level Input Voltage Circuit simulation result 6.0V 4.0V Output Input 2.0V 0V 0s 1.0ms 2.0ms 3.0ms 4.0ms V(R1:1) V(V1:+) Time Evaluation circuit U1 1A VCC HI 1B 4B 1Y 4A 2A 4Y 2B 3B V1 2Y 3A V1 = 0 V2 = 5.5 R1 GND 3Y V2 TD = 0.5m TR = 0.1m 1MEG TC74AC08 TF = 0.1m 5.5 PW = 1m PER = 2m 0 Comparison table VCC = 5.5V Measurement Simulation %Error VIH (V) 3.85 3.9328 2.151 VIL (V) 1.65 1.6445 -0.333 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 7. High Level and Low Level Output Voltage Circuit simulation result 5.0V 2.5V SEL>> Output 0V V(R1:1) Input 5.0V 2.5V 0V 0s 5ms 10ms V(V1:+) Time Evaluation circuit U1 1A VCC HI 1B 4B 1Y 4A 2A 4Y V1 2B 3B V2 V1 = 0 V2 = 4.5 2Y 3A TD = 0.5m 4.5 TR = 3n R1 GND 3Y TF = 3n PW = 1m 1MEG TC74AC08 PER = 2m 0 Comparison table VCC = 4.5V Measurement Simulation %Error VOH (V) 4.5 4.4994 -0.013 VOL (V) 0 0 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005
- 8. Propagation Delay Time Circuit simulation result 5.0V Output 2.5V Input 0V 0s 50ns 100ns V(C1:1) V(V1:+) Time Evaluation circuit U1 1A VCC HI 1B 4B 1Y 4A 2A 4Y 2B 3B V1 = 0 V1 2Y 3A V2 V2 = 5 TD = 10n R1 GND 3Y TR = 3n 500 C1 TF = 3n 50p 5 TC74AC08 PW = 50n PER = 100n 0 Comparison table CL=50pF,RL=500,Tr=Tf=3ns Measurement Simulation %Error tpLH (ns) 4.5 4.5592 1.316 tpHL (ns) 4.5 4.5633 1.407 All Rights Reserved Copyright (C) Bee Technologies Inc. 2005