ISL90726 Intersil Corporation, ISL90726 Datasheet - Page 4

• Manufacturer Part Number: ISL90726
• Description: Digitally Controlled Potentiometer
• Manufacturer: Intersil Corporation

Operating Specifications
SERIAL INTERFACE SPECIFICATIONS
Cpin (Note 10) SDA, and SCL pin capacitance
Rpu (Note 12) SDA and SCL bus pull-up resistor off-
Cb (Note 12)
t
t
R
F
Hysteresis
SYMBOL
t
t
t
t
t
t
SU:STO
HD:STO
(Note 12)
SU:STA
HD:STA
SU:DAT
HD:DAT
(Note 12)
t
t
f
t
V
HIGH
LOW
V
t
V
SCL
t
BUF
t
DH
AA
OL
IN
IH
IL
SDA, and SCL input buffer LOW
voltage
SDA, and SCL input buffer HIGH
voltage
SDA and SCL input buffer hysteresis
SDA output buffer LOW voltage,
sinking 4mA
SCL frequency
Pulse width suppression time at SDA
and SCL inputs
SCL falling edge to SDA output data
valid
Time the bus must be free before the
start of a new transmission
Clock LOW time
Clock HIGH time
START condition setup time
START condition hold time
Input data setup time
Input data hold time
STOP condition setup time
STOP condition hold time for read, or
volatile only write
Output data hold time
SDA and SCL rise time
SDA and SCL fall time
Capacitive loading of SDA or SCL
chip
PARAMETER
4
(Continued)
Measured at the 30% of V
SCL rising edge to SDA falling edge. Both
From SCL rising edge crossing 70% of V
From SCL rising edge crossing 70% of V
Any pulse narrower than the max spec is
suppressed.
SCL falling edge crossing 30% of V
SDA exits the 30% to 70% of V
SDA crossing 70% of V
condition, to SDA crossing 70% of V
the following START condition.
Measured at the 70% of V
crossing 70% of V
From SDA falling edge crossing 30% of V
SCL falling edge crossing 70% of V
From SDA exiting the 30% to 70% of V
window, to SCL rising edge crossing 30% of
V
SDA entering the 30% to 70% of V
SDA rising edge crossing 30% of V
From SDA rising edge to SCL falling edge. Both
crossing 70% of V
From SCL falling edge crossing 30% of V
until SDA enters the 30% to 70% of V
window.
From 30% to 70% of V
From 70% to 30% of V
Total on-chip and off-chip
Maximum is determined by t
For Cb = 400pF, max is about 2~2.5kΩ.
For Cb = 40pF, max is about 15~20kΩ.
CC
ISL90726
TEST CONDITIONS
CC
CC
.
.
CC
CC
CC
CC
CC
during a STOP
R
crossing.
crossing.
and t
CC
window.
CC
CC
CC
CC
F
CC
.
CC
.
window.
, until
.
CC
during
CC
CC
CC
CC
, to
to
,
to
0.7*V
0.1 * Cb
0.1 * Cb
0.05*
1300
1300
V
20 +
20 +
MIN
-0.3
600
600
600
100
600
600
10
CC
0
0
0
1
CC
(Note 1)
TYP
0.3*V
V
MAX
400
900
250
250
400
0.3
0.4
CC
10
50
CC
+
August 3, 2005
FN8244.1
UNIT
kHz
kΩ
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
V
V
V
V