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74HC373D 数据表(PDF) 6 Page - NXP Semiconductors |
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74HC373D 数据表(HTML) 6 Page - NXP Semiconductors |
6 / 8 page September 1993 6 Philips Semiconductors Product specification Octal D-type transparent latch; 3-state 74HC/HCT373 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI Note to HCT types The value of additional quiescent supply current ( ∆ICC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below. AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL =50pF INPUT UNIT LOAD COEFFICIENT Dn LE OE 0.30 1.50 1.00 SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HCT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay Dn to Qn 17 30 38 45 ns 4.5 Fig.7 tPHL/ tPLH propagation delay LE to Qn 16 32 40 48 ns 4.5 Fig.8 tPZH/ tPZL 3-state output enable time OE to Qn 19 32 40 48 ns 4.5 Fig.9 tPHZ/ tPLZ 3-state output disable time OE to Qn 18 30 38 45 ns 4.5 Fig.9 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.7 tW LE pulse width HIGH 16 4 20 24 ns 4.5 Fig.8 tsu set-up time Dn to LE 12 6 15 18 ns 4.5 Fig.10 th hold time Dn to LE 4 −1 4 4 ns 4.5 Fig.10 |
类似零件编号 - 74HC373D |
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类似说明 - 74HC373D |
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