Texas Instruments

Description

Datasheet Feb 25, 2016 The 74HC240 ; 74HCT240 is an 8-bit inverting buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit www.fairchildsemi.com. 2. MM. 74HC240 . Logic Diagram . 74HC240 . AC Electrical Characteristics. VCC 5V, TA 25qC, tr tf 6 ns. AC Electrical Characteristics. 74HC240 . DRIVER INPUT. DRIVER ENABLE. VIN. 3.0V TO 3.6V. 22 F. 6V. 0.1 F. C1. C2. MAX3480A/B. LOGIC GROUND. ISOLATION BARRIER. ISOLATION Figure 6 shows a comparison of 74HCT240 and 74HC240 propagation delays, and they are identical. One interesting point is that HCT and HC speed specifica-. transceiver) (28 SSOP). U2. 1. MAX3171CAI (control transceiver) (28 SSOP). U3. 1. MAX3172CAI (terminator). (28 SSOP). U4, U5. 2. 74HC240 (LED inverting.