Datasheet > 74HC14D/S430,118

74HC14D/S430,118

更新时间： 2023-02-26 15:06:36

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恩智浦 - NXP		/
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21页	179K
描述
74HC(T)14 - Hex inverting Schmitt trigger SOIC 14-Pin

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74HC14D/S430,118 数据手册

74HC14; 74HCT14

NXP Semiconductors

Hex inverting Schmitt trigger

11. Dynamic characteristics

Table 7.

Dynamic characteristics

GND = 0 V; C_L= 50 pF; for load circuit see Figure 7.

Symbol Parameter

Conditions

T_amb= 25 °C

T_amb= −40 °C to Unit

+125 °C

Min

Typ

Max

(85 °C) (125 °C)

74HC14

[1]

t_pd

propagation delay nA to nY; see Figure 6

V_CC= 2.0 V

125

155

190

V_CC= 4.5 V

V_CC= 5.0 V; C_L= 15 pF

V_CC= 6.0 V

[2]

t_t

transition time

see Figure 6

V_CC= 2.0 V

V_CC= 4.5 V

V_CC= 6.0 V

110

[3]

[1]

C_PD

power dissipation per package; V_I= GND to V_CC

capacitance

74HCT14

t_pd

propagation delay nA to nY; see Figure 6

V_CC= 4.5 V

V_CC= 5.0 V; C_L= 15 pF

[2]

[3]

t_t

transition time

power dissipation per package;

capacitance V_I= GND to V_CC− 1.5 V

V_CC= 4.5 V; see Figure 6

C_PD

[1] t_pdis the same as t_PHLand t_PLH

[2] t_tis the same as t_THLand t_TLH

[3] C_PDis used to determine the dynamic power dissipation (P_Din μW):

P_D= C_PD× V_CC²× f_i× N + ∑ (C_L× V_CC²× f_o) where:

f_i= input frequency in MHz;

f_o= output frequency in MHz;

C_L= output load capacitance in pF;

V_CC= supply voltage in V;

N = number of inputs switching;

∑ (C_L× V_CC²× f_o) = sum of outputs.

74HC_HCT14

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Product data sheet

Rev. 4 — 17 January 2011

6 of 21

1...3 4 567 8 9...21

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