米6体育平台手机版

ZHCSQ39F August 1997 – February 2022 CD54HC85 , CD54HCT85 , CD74HC85 , CD74HCT85

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.5 Switching Specifications

Input t_r, t_f = 6 ns

PARAMETER		V_CC (V)	25℃			–40℃ to 85℃		–55℃ to 125℃		UNIT
PARAMETER		V_CC (V)	MIN	TYP	MAX	MIN	MAX	MIN	MAX	UNIT
HC TYPES
t_PLH, t_PHL	Propagation delay, A_n, B_n to (A > B) OUT, (A < B) OUT	2			195		245		295	ns
		4.5		16^⁽³⁾	39		47		59
		6			33		42		50
t_PLH, t_PHL	A_n, B_n to (A = B) OUT	2			175		240		265	ns
		4.5		14^⁽³⁾	35		44		53
		6			30		37		45
t_PLH, t_PHL	(A > B) IN, (A < B) IN, (A = B) IN to (A > B) OUT, (A < B) OUT	2			140		175		210	ns
		4.5		11^⁽³⁾	28		35		42
		6			24		30		36
t_PLH, t_PHL	(A > B) IN to (A = B) OUT	2			120		150		180	ns
		4.5		9^⁽³⁾	24		30		36
		6			20		26		31
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5		24						pF
t_TLH, t_THL	Output transition times (Figure 6-1)	2			75		95		110	ns
		4.5			15		19		22
		6			13		16		19
C_IN	Input capacitance				10		10		10	pF
HCT TYPES
t_PLH, t_PHL	Propagation delay, A_n, B_n to (A > B) OUT, (A < B) OUT	4.5		15^⁽³⁾	37		46		56	ns
t_PLH, t_PHL	A_n, B_n to (A = B) OUT	4.5		17^⁽³⁾	40		50		60	ns
t_PLH t_PHL	(A > B) IN, (A < B) IN, (A = B) IN to (A > B) OUT, (A < B) OUT	4.5		12^⁽³⁾	30		38		45	ns
t_PLH, t_PHL	(A > B) IN to (A = B) OUT	4.5		13^⁽³⁾	31		39		47	ns
t_TLH, t_THL	Output transition times (Figure 6-1)	4.5			15		19		22	ns
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5		26						pF
C_IN	Input capacitance				10		10		10	pF

(1) C_PD is used to determine the dynamic power consumption, per gate/package.

(2) P_D = V_CC² f_i (C_PD + C_L) where f_i = input frequency, C_L = output load capacitance, V_CC = supply voltage.

(3) C_L = 15 pF and V_CC = 5 V.