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74HCT273DB 데이터시트(PDF) 1 Page - NXP Semiconductors |
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1 / 21 page 1. General description The 74HC273; 74HCT273 is an octal positive-edge triggered D-type flip-flop. The device features clock (CP) and master reset (MR) inputs. The outputs Qn will assume the state of their corresponding Dn inputs that meet the set-up and hold time requirements on the LOW-to-HIGH clock (CP) transition. A LOW on MR forces the outputs LOW independently of clock and data inputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits Input levels: For 74HC273: CMOS level For 74HCT273: TTL level Common clock and master reset Eight positive edge-triggered D-type flip-flops Complies with JEDEC standard no. 7A 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 from 40 Cto+125 C 3. Ordering information 74HC273; 74HCT273 Octal D-type flip-flop with reset; positive-edge trigger Rev. 4 — 10 June 2013 Product data sheet Table 1. Ordering information Type number Package Temperature range Name Description Version 74HC273N 40 C to +125 C DIP20 plastic dual in-line package; 20 leads (300 mil) SOT146-1 74HCT273N 74HC273D 40 C to +125 C SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1 74HCT273D 74HC273DB 40 C to +125 C SSOP20 plastic shrink small outline package; 20 leads; body width 5.3 mm SOT339-1 74HCT273DB |
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