米6体育平台手机版

ZHCSIY2B July 2018 – August 2021 TPS65988

PRODUCTION DATA

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6.15 I²C Requirements and Characteristics

over operating free-air temperature range (unless otherwise noted).

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
SDA AND SCL COMMON CHARACTERISTICS
I_LEAK	Input leakage current	Voltage on Pin = LDO_3V3	–3		3	µA
V_OL	SDA output low voltage	I_OL = 3 mA, LDO_3V3 = 3.3 V			0.4	V
I_OL	SDA max output low current	V_OL = 0.4 V	3			mA
I_OL	SDA max output low current	V_OL = 0.6 V	6			mA
V_IL	Input low signal	LDO_3V3 = 3.3 V			0.99	V
V_IL	Input low signal	LDO_1V8 = 1.8 V			0.54	V
V_IH	Input high signal	LDO_3V3 = 3.3 V	2.31			V
V_IH	Input high signal	LDO_1V8 = 1.8 V	1.3			V
V_HYS	Input hysteresis	LDO_3V3 = 3.3 V	0.17			V
V_HYS	Input hysteresis	LDO_1V8 = 1.8 V	0.09			V
t_SP	I²C pulse width suppressed				50	ns
C_I	Pin capacitance				10	pF
SDA AND SCL STANDARD MODE CHARACTERISTICS
ƒ_SCL	I²C clock frequency		0		100	kHz
t_HIGH	I²C clock high time		4			µs
t_LOW	I²C clock low time		4.7			µs
t_SU;DAT	I²C serial data setup time		250			ns
t_HD;DAT	I²C serial data hold time		0			ns
t_VD;DAT	I²C valid data time	SCL low to SDA output valid			3.45	µs
t_VD;ACK	I²C valid data time of ACK condition	ACK signal from SCL low to SDA (out) low			3.45	µs
t_OCF	I²C output fall time	10 pF to 400 pF bus			250	ns
t_BUF	I²C bus free time between stop and start		4.7			µs
t_SU;STA	I²C start or repeated Start condition setup time		4.7			µs
t_HD;STA	I²C Start or repeated Start condition hold time		4			µs
t_SU;STO	I²C Stop condition setup time		4			µs
SDA AND SCL FAST MODE CHARACTERISTICS
ƒ_SCL	I²C clock frequency	Configured as Slave	0		400	kHz
ƒ_{SCL_MASTER}	I²C clock frequency	Configured as Master	0	320	400	kHz
t_HIGH	I²C clock high time		0.6			µs
t_LOW	I²C clock low time		1.3			µs
t_SU;DAT	I²C serial data setup time		100			ns
t_HD;DAT	I²C serial data hold time		0			ns
t_VD;DAT	I²C Valid data time	SCL low to SDA output valid			0.9	µs
t_VD;ACK	I²C Valid data time of ACK condition	ACK signal from SCL low to SDA (out) low			0.9	µs
t_OCF	I²C output fall time	10 pF to 400 pF bus, V_DD = 3.3 V	12		250	ns
t_OCF	I²C output fall time	10 pF to 400 pF bus, V_DD = 1.8 V	6.5		250	ns
t_BUF	I²C bus free time between stop and start		1.3			µs
t_SU;STA	I²C start or repeated Start condition setup time		0.6			µs
t_HD;STA	I²C Start or repeated Start condition hold time		0.6			µs
t_SU;STO	I²C Stop condition setup time		0.6			µs

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6.15 I2C Requirements and Characteristics

6.15 I²C Requirements and Characteristics