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74HC244D-652 Datenblatt(PDF) 1 Page - NXP Semiconductors |
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74HC244D-652 Datenblatt(HTML) 1 Page - NXP Semiconductors |
1 / 18 page 1. General description The 74HC244; 74HCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits Input levels: For 74HC244: CMOS level For 74HCT244: TTL level Octal bus interface Non-inverting 3-state outputs Complies with JEDEC standard no. 7 A ESD protection: HBM JESD22-A114F exceeds 2000 V MM JESD22-A115-A exceeds 200 V Multiple package options Specified from 40 Cto +85 C and 40 Cto +125 C 3. Ordering information 74HC244; 74HCT244 Octal buffer/line driver; 3-state Rev. 4 — 24 September 2012 Product data sheet Table 1. Ordering information Type number Package Temperature range Name Description Version 74HC244N 40 Cto+125 C DIP20 plastic dual in-line package; 20 leads (300 mil) SOT146-1 74HCT244N 74HC244D 40 Cto+125 C SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 74HCT244D 74HC244DB 40 Cto+125 C SSOP20 plastic shrink small outline package; 20 leads; body width 5.3 mm SOT339-1 74HCT244DB 74HC244PW 40 Cto+125 C TSSOP20 plastic thin shrink small outline package; 20 leads; body width 4.4 mm SOT360-1 74HCT244PW 74HC244BQ 40 C to +125 C DHVQFN20 plastic dual-in-line compatible thermal enhanced very thin quad flat package; no leads; 20 terminals; body 2.5 4.5 0.85 mm SOT764-1 74HCT244BQ |
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Ähnliche Beschreibung - 74HC244D-652 |
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