74AHCT244APWJ

74AHCT244A Octal buffer/line driver; 3-state Rev. 1 — 23 November 2016 Product data sheet 1. General description The 74AHCT244A is an 8-bit buffer/line driver with 3-state outputs and TTL inputs. The device features two output enables (1OE and 2OE). A HIGH on nOE causes the associated outputs to assume a high-impedance OFF-state. Designed to operate over a VCC range from 4.5 V to 5.5 V, the inputs are TTL compatible, which allows the device to be used to translate from 3.3 V to 5 V. Schmitt-trigger action at all inputs makes the circuit tolerant of slower input rise and fall times. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry disables the output, preventing the damaging backflow current through the device when it is powered down. 2. Features and benefits          Direct interface with TTL levels Supply voltage range from 4.5 V to 5.5 V Typical tpd of 2.8 ns at 5 V Typical VOL(p) < 0.8 V at VCC = 5 V, Tamb = 25 C Typical VOH(v) > 2.3 V at VCC = 5 V, Tamb = 25 C Supports mixed-mode voltage operation on all ports IOFF circuitry provides partial Power-down mode operation Latch-up performance exceeds 250 mA per JESD 78 Class II ESD protection:  HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 3 kV  MM JESD22-A115-A exceeds 150 V  CDM JESD22-C101E exceeds 2 kV  Specified from 40 C to +85 C and from 40 C to +125 C 74AHCT244A Nexperia Octal buffer/line driver; 3-state 3. Ordering information Table 1. Ordering information Type number Package Temperature range Name 74AHCT244APW 40 C to +125 C TSSOP20 Description Version plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1 4. Functional diagram           $