參數(shù)資料
型號: PDIUSBH11D
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Universal Serial Bus Hub
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDSO32
封裝: 7.50 MM, PLASTIC, SO-28
文件頁數(shù): 22/26頁
文件大小: 146K
代理商: PDIUSBH11D
Philips Semiconductors
Product specification
PDIUSBH11
Universal Serial Bus Hub
1997 Aug 01
22
AC CHARACTERISTICS (I
2
C)
All timing values are valid within the operating supply voltage and ambient temperature range and reference to V
IL
and V
IH
with an input voltage
swing of V
SS
and V
DD
.
SYMBOL
PARAMETER
LIMITS
TYP
UNIT
MIN
MAX
I
2
C-bus timing (see Figure ; Note )
f
SCL
t
SP
t
BUF
t
SU;STA
t
HD;STA
t
LOW
t
HIGH
t
r
t
f
t
SU;DAT
t
HD;DAT
t
VD;DAT
t
SU;STO
1. A detailed description of the I
2
C-bus specification, with applications, is given in brochure ‘‘The I
2
C-bus and how to use it”. This brochure
may be ordered using the code 9398 393 40011.
SCL clock frequency
Tolerable spike width on bus
Bus free time
Start condition set-up time
Start condition hold time
SCL LOW time
SCL HIGH time
SCL and SDA rise times
SCL and SDA fall times
Data set-up time
Data hold time
SCL LOW to data out valid
Stop condition set-up time
100
100
1.0
0.3
3.4
kHZ
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
μ
s
μ
s
4.7
4.7
4.0
4.7
4.0
250
0
4.0
SV00756
SCL
SDA
PROTOCOL
t
SU;STA
t
LOW
t
HIGH
1/f
SCL
t
BUF
t
r
t
f
t
HD;STA
t
SU;DAT
t
HD;DAT
t
VD:DAT
t
SU;STO
BIT 0
LSB
(R/W)
ACKNOWLEDGE
(A)
STOP
CONDITION
(P)
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
Figure 4. I
2
C-bus timing diagram; rise and fall times refer to V
IL
and V
IH
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