米6体育平台手机版

ZHCSM91F May 2009 – January 2023 TCA6416A

PRODUCTION DATA

6.6 I²C Interface Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted) (see GUID-BBAD2305-8E03-422B-B861-F1AE3AC83143.html#SCPS133IMG6684)

		STANDARD MODE I²C BUS		FAST MODE I²C BUS		UNIT
		MIN	MAX	MIN	MAX	UNIT
f_scl	I²C clock frequency	0	100	0	400	kHz
t_sch	I²C clock high time	4		0.6		μs
t_scl	I²C clock low time	4.7		1.3		μs
t_sp	I²C spike time	0	50	0	50	ns
t_sds	I²C serial data setup time	250		100		ns
t_sdh	I²C serial data hold time	0		0		ns
t_icr	I²C input rise time		1000	20 + 0.1C_b#SCPS133164	300	ns
t_icf	I²C input fall time		300	20 + 0.1C_b#SCPS133164	300	ns
t_ocf	I²C output fall time; 10 pF to 400 pF bus		300	20 + 0.1C_b#SCPS133164	300	μs
t_buf	I²C bus free time between Stop and Start	4.7		1.3		μs
t_sts	I²C Start or repeater Start condition setup time	4.7		0.6		μs
t_sth	I²C Start or repeater Start condition hold time	4		0.6		μs
t_sps	I²C Stop condition setup time	4		0.6		μs
t_vd(data)	Valid data time; SCL low to SDA output valid		1		0.9	μs
t_vd(ack)	Valid data time of ACK condition; ACK signal from SCL low to SDA (out) low		1		0.9	μs

(1) C_b = total capacitance of one bus line in pF