ZHCSQ87 数据表 | 德州仪器 TI.com.cn

ZHCSQ87E November 1998 – May 2024 CD54HC164 , CD54HCT164 , CD74HC164 , CD74HCT164

PRODUCTION DATA

4.6 Switching Characteristics

Input t_r, t_f = 6ns. C_L = 50pF unless otherwise noted

PARAMETER		V_CC (V)	25°C		– 40°C to 85°C	– 55°C to 125°C	UNIT
PARAMETER		V_CC (V)	TYP	MAX	MAX	MAX	UNIT
HC TYPES
t_PLH, t_PHL	CLK to Q	2		170	212	255	ns
		4.5	14⁽³⁾	34	43	51	ns
		6		29	36	43	ns
t_PLH, t_PHL	CLR to Q	2		140	175	210	ns
		4.5	11⁽³⁾	28	35	42	ns
		6		24	30	36	ns
t_TLH, t_THL	Output transition times	2		75		110	ns
		4.5		15		22	ns
		6		13		19	ns
f_MAX	Maximum clock frequency	5	60⁽³⁾				ns
C_IN	Input capacitance			10	10	10	pF
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5	47				pF
HCT TYPES
t_PLH, t_PHL	CLK to Q	4.5		36	45	54	ns
t_PLH, t_PHL	CLK to Q	5	15⁽³⁾
t_PLH, t_PHL	CLR to Q	4.5		38	46	57	ns
t_PLH, t_PHL	CLR to Q	5	16⁽³⁾
t_TLH, t_THL	Output Transition time	4.5		15	19	22	ns
C_IN	Input Capacitance						pF
f_MAX	Maximum clock frequency		54⁽⁴⁾				MHz
C_PD	Power dissipation capacitance⁽¹⁾⁽²⁾	5	49	10	10	10	pF

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

(2) P_D = V_CC²f_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 = 15pF. V_CC = 5.

(4) C_L = 15pF.