参数资料
型号: TPS65181RGZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC48
封装: 7 X 7 MM, 0.90 MM HEIGHT, GREEN, PLASTIC, VQFN-48
文件页数: 15/41页
文件大小: 892K
代理商: TPS65181RGZR
SLVSA76F
– MARCH 2010 – REVISED FEBRUARY 2011
DATA TRANSMISSION TIMING
VBAT = 3.6 V ±5%, TA = 25C, CL = 100 pF (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f(SCL)
Serial clock frequency
100
400
KHz
SCL = 100 KHz
4
s
Hold time (repeated) START condition. After this
tHD;STA
period, the first clock pulse is generated.
SCL = 400 KHz
600
ns
SCL = 100 KHz
4.7
tLOW
LOW period of the SCL clock
s
SCL = 400 KHz
1.3
SCL = 100 KHz
4
s
tHIGH
HIGH period of the SCL clock
SCL = 400 KHz
600
ns
SCL = 100 KHz
4.7
s
tSU;STA
Set-up time for a repeated START condition
SCL = 400 KHz
600
ns
SCL = 100 KHz
0
3.45
s
tHD;DAT
Data hold time
SCL = 400 KHz
0
900
ns
SCL = 100 KHz
250
tSU;DAT
Data set-up time
ns
SCL = 400 KHz
100
SCL = 100 KHz
1000
tr
Rise time of both SDA and SCL signals
ns
SCL = 400 KHz
300
SCL = 100 KHz
300
tf
Fall time of both SDA and SCL signals
ns
SCL = 400 KHz
300
SCL = 100 KHz
4
s
tSU;STO
Set-up time for STOP condition
SCL = 400 KHz
600
ns
SCL = 100 KHz
4.7
tBUF
Bus Free Time Between Stop and Start Condition
s
SCL = 400 KHz
1.3
SCL = 100 KHz
n/a
Pulse width of spikes which mst be suppressed
tSP
ns
by the input filter
SCL = 400 KHz
0
50
SCL = 100 KHz
400
Cb
Capacitive load for each bus line
pF
SCL = 400 KHz
400
22
2010–2011, Texas Instruments Incorporated
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