ZHCSQ18 数据表 | 德州仪器 TI.com.cn

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

5.5 Switching Characteristics

Input t_r, t_f = 6 ns. Unless otherwise specified, C_L = 50pF

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	Data to outputs HC/HCT367	2		105	130	160	ns
		4.5		21	26	32	ns
		6	8⁽³⁾	18	24	27	ns
	Data to outputs HC/HCT368	2		105	130	160	ns
		4.5		21	26	32	ns
		6	9⁽³⁾	18	24	27	ns
	Output enable and disable to outputs	2		150	190	225	ns
		4.5		30	38	45	ns
		6	12⁽³⁾	26	33	38	ns
t_t	Output transition time	2		60	75	90	ns
		4.5		12	15	18	ns
		6		10	13	15	ns
C_I	Input capacitance			10	10	10	pF
C_O	Three-state output capacitance			20	20	20	pF
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5	40				pF
HCT TYPES
t_pd	Data to outputs HC/HCT367	4.5	9⁽³⁾	25	31	38	ns
	Data to outputs HC/HCT368	4.5	11⁽³⁾	30	38	45	ns
	Output enable and disable to outputs	4.5	14⁽³⁾	35	44	53	ns
t_t	Output transition time	4.5		12	15	18	ns
C_IN	Input capacitance			10	10	10	pF
C_O	Three-state capacitance			20	20	20	pF
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5	42				pF

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

(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.