Design and realisation of integrated circuit tester

b. NOR IC
a) NAND IC

c. AND IC


d. OR IC


d. EXCLUSIVE OR

Figure 2. 12: Truth Table for Logic IC (74lsXX and 40XX)
• CHARACTERISTICS OF TTL ICs



Absolute Maximum Ratingsi>
Supply Voltage 7V
Input Voltage 7V
Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range —65°C to +150°C

Note 1: The "Absolute Maximum Ratings" are those values beyond which .he safe., of me device caneo. be guaranteed. Tl» d.«. should no. bo operated at these limits. The parametric vakios defined in the Electrical Charactenstics tables are not guaranteed at the absolute maximum ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation

Rnrcimmonrinrl Onpr^tina Cnnditirinc

Table 2. 2: Characteristics for TTL IC
• CHARACTERISTICS OF CMOS ICs
over recommended operating tree-air temperature range (unless otherwise noted)