米6体育平台手机版

ZHCSP97E September 1997 – April 2022 CD54HCT390 , CD74HC390 , CD74HCT390

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.6 Switching Characteristics

Input t_r, t_f = 6 ns. Unless otherwise specified, C_L = 50pF. (see Parameter Measurement Information)

PARAMETER		V_CC(V)	25℃		-40℃ to 85℃	-55℃ to 125℃	UNIT
PARAMETER		V_CC(V)	TYP	MAX	MAX	MAX	UNIT
HC TYPES
t_pd	nCLK_A to nQ_A	2		175	220	265	ns
		4.5	14^⁽³⁾	35	44	53	ns
		6		30	37	45	ns
	nCLK_B to nQ_B	2		185	230	280	ns
		4.5		37	46	56	ns
		6		31	39	48	ns
	nCLK_B to nQ_C	2		245	305	370	ns
		4.5		49	61	74	ns
		6		42	52	63	ns
	nCLK_B to nQ_D	2		180	225	270	ns
		4.5	15^⁽³⁾	36	45	54	ns
		6		31	38	46	ns
	nCLK_A to nQ_D	2		365	455	550	ns
		4.5		73	91	110	ns
		6		62	77	94	ns
	CLR to Q_n	2		190	240	285	ns
		4.5	16^⁽³⁾	38	48	57	ns
		6		32	41	48	ns
t_t	Output Transition Times	2		75	95	110	ns
		4.5		15	19	22	ns
		6		13	16	19	ns
C_IN	Input Capacitance			10	10	10	pF
C_PD	Power Dissipation Capacitance⁽¹⁾⁽²⁾	5	28^⁽³⁾				pF
HCT TYPES
t_pd	nCLK_A to nQ_A	4.5	17^⁽³⁾	40	50	60	ns
	nCLK_B to nQ_B	4.5		43	51	65	ns
	nCLK_B to nQ_C	4.5		55	69	83	ns
	nCLK_B to nQ_D	4.5	18^⁽³⁾	42	53	63	ns
	nCLK_A to nQ_C	4.5		84	105	126	ns
	CLR to Q_n	4.5	18^⁽³⁾	42	53	63	ns
t_t	Output Transition Times	4.5		15	19	22	ns
C_IN	Input Capacitance			10^⁽⁴⁾	10^⁽⁴⁾	10^⁽⁴⁾	pF
C_PD	Power Dissipation Capacitance⁽¹⁾⁽²⁾	5	32^⁽³⁾				pF

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

(2) P_D = V_CC² f_i + Σ (C_L V_CC² + f_O) where f_i = Input Frequency, f_O = Output Frequency, C_L = Output Load Capacitance, V_CC = Supply Voltage.

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

(4) C_L = 15 pF