Important notice Dear Customer, On 7 February 2017 the former NXP Standard Product business became a new company with the tradename Nexperia. Nexperia is an industry leading supplier of Discrete, Logic and PowerMOS semiconductors with its focus on the automotive, industrial, computing, consumer and wearable application markets In data sheets and application notes which still contain NXP or Philips Semiconductors references, use the references to Nexperia, as shown below. Instead of CBT3244A Octal bus switch with quad output enables Rev. 02 15 September 2005 Product data sheet 1. General description The CBT3244A provides eight bits of high-speed TTL-compatible bus switching in a standard 244 device pinout. The low ON-state resistance of the switch allows connections to be made with minimal propagation delay. The CBT3244A device is organized as two 4-bit low-impedance switches with separate output-enable (OE) inputs. When OE is LOW, the switch is on and data can ow from port A to port B, or vice versa. When OE is HIGH, the switch is open and high-impedance state exists between the two ports. The CBT3244A is characterized for operation from - 40 Cto+85 C. 2. Features Standard 244-type pinout 5 switch connection between two ports TTL compatible control input levels Package options include: plastic small outline (SO20) shrink small outline (SSOP20) shrink small outline, QSOP (SSOP20) thin shrink small outline (TSSOP20) depopulated heatsink very thin quad at package, no leads (DHVQFN20) Latch-up protection exceeds 500 mA per JESD78 ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101