米6体育平台手机版

ZHCS352E August 2011 – October 2024 TCA9509

PRODUCTION DATA

5.7 I²C Interface Timing Requirements

T_A = –40°C to 85°C (unless otherwise noted)

PARAMETER			V_CCA (INPUT)	V_CCB (OUTPUT)	TEST CONDITIONS	MIN	TYP⁽¹⁾	MAX	UNIT
t_PHL	Propagation delay	port A to port B	1.9 V	5 V	EN High	123.1	127.2	132.8	ns
t_PHL	Propagation delay	port B to port A	1.9 V	5 V	EN High	88.1	88.8	89.8	ns
t_PLH	Propagation delay	port A to port B	1.9 V	5 V	EN High	122.6	125.7	131.7	ns
t_PLH	Propagation delay	port B to port A	1.9 V	5 V	EN High	123	124.1	126.9	ns
t_rise	Transition time	port A	1.9 V	5 V	EN High	40.1	40.9	41.9	ns
t_rise	Transition time	port B	1.9 V	5 V	EN High	57.3	57.5	58.4	ns
t_fall	Transition time	port A	1.9 V	5 V	EN High	14.5	16.4	17.9	ns
t_fall	Transition time	port B	1.9 V	5 V	EN High	18.7	19.4	20.2	ns
t_PLH2	Propagation delay 50% of initial low on Port A to 1.5 V on Port B	port A to port B	1.9 V	5 V		176	177.3	178	ns
f_MAX	Maximum switching frequency					400			KHz

(1) Typical values were measured with V_CCA = V_CCB = 2.7 V at T_A = 25°C, unless otherwise noted.

Figure 5-1 Bus A (0.9-V to 5.5-V Bus) Waveform

Figure 5-2 Bus B (2.7-V to 5.5-V Bus) Waveform