isl90842 Intersil Corporation, isl90842 Datasheet - Page 5

• Manufacturer Part Number: isl90842
• Description: Quad Digitally Controlled Potentiometers Xdcp?
• Manufacturer: Intersil Corporation

Operating Specifications
SDA vs SCL Timing
A0 and A1 Pin Timing
NOTES:
1. Typical values are for T
2. MI =
3. Roffset = R
4. RDNL = (R
5. RINL = [R
6. R
7.
8. This parameter is not 100% tested.
SYMBOL
(OUTPUT TIMING)
t
t
TC
SU:A
HD:A
(INPUT TIMING)
MATCH
R
|
R
=
255
--------------------------------------------------------------- -
[
= (R
Max Ri
[
i
A1 and A0 setup time
A1 and A0 hold time
Max Ri
– (MI • i) – R
SDA
i
SCL
255
– R
– R
SDA
i,x
(
0
/ MI, when measuring between R
t
(
i-1
SU:STA
|
– R
)
/ 255. R
) / MI, for i = 32 to 255.
+
) Min Ri
i,y
–
SDA IN
Min Ri
A0, A1
)
PARAMETER
A
SCL
0
/ MI, for i = 0 to 255, x = 0 to 3 and y = 0 to 3.
] / MI, for i = 32 to 255.
(
= 25°C and 3.3V supply voltage.
255
(
)
] 2 ⁄
5
)
and R
]
t
Over the recommended operating conditions unless otherwise specified. (Continued)
HD:STA
×
---------------- -
125°C
0
START
10
are the measured resistances for the DCP register set to FF hex and 00 hex, respectively.
t
F
6
t
t
SU:A
for i = 32 to 255, T = -40°C to 85°C. Max ( ) is the maximum value of the resistance and Min ( ) is the
SU:DAT
minimum value of the resistance over the temperature range.
W
Before START condition
After STOP condition
and R
t
HIGH
CLK 1
H
.
ISL90842
TEST CONDITIONS
t
LOW
t
HD:DAT
t
R
t
AA
t
HD:A
t
DH
MIN
600
600
STOP
(NOTE 1)
TYP
t
BUF
t
MAX
SU:STO
January 16, 2006
UNIT
FN8096.1
ns
ns