参数资料
型号: ISL22326
厂商: Intersil Corporation
英文描述: Low Noise, Low Power, I2C Bus, 128 Taps(低噪声,低功率,I2C总线, 128抽头电位器)
中文描述: 低噪声,低功耗,I2C总线,128丝锥(低噪声,低功率和I2C总线,128抽头电位器)
文件页数: 5/13页
文件大小: 488K
代理商: ISL22326
5
FN6176.0
July 17, 2006
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature
T <55
°
C
50
Years
t
WC
(Note 20)
Non-volatile Write Cycle Time
12
20
ms
SERIAL INTERFACE SPECS
V
IL
A2, A1, A0, SHDN, SDA, and SCL
Input Buffer LOW Voltage
-0.3
0.3*V
CC
V
V
IH
A2, A1, A0, SHDN, SDA, and SCL
Input Buffer HIGH Voltage
0.7*V
CC
V
CC
+0.3
V
Hysteresis
SDA and SCL Input Buffer Hysteresis
0.05*
V
CC
0
V
V
OL
SDA Output Buffer LOW Voltage,
Sinking 4mA
0.4
V
Cpin
(Note 19)
A2, A1, A0, SHDN, SDA, and SCL Pin
Capacitance
10
pF
f
SCL
t
sp
SCL Frequency
400
kHz
Pulse Width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the max spec is
suppressed
50
ns
t
AA
SCL falling edge to SDA output data
valid
SCL falling edge crossing 30% of V
CC
, until
SDA exits the 30% to 70% of V
CC
window
SDA crossing 70% of V
CC
during a STOP
condition, to SDA crossing 70% of V
CC
during the following START condition
900
ns
t
BUF
Time the Bus Must be Free Before the
Start of a New Transmission
1300
ns
t
LOW
t
HIGH
t
SU:STA
Clock LOW Time
Measured at the 30% of V
CC
crossing
Measured at the 70% of V
CC
crossing
SCL rising edge to SDA falling edge; both
crossing 70% of V
CC
From SDA falling edge crossing 30% of V
CC
to SCL falling edge crossing 70% of V
CC
From SDA exiting the 30% to 70% of V
CC
window, to SCL rising edge crossing 30% of
V
CC
From SCL rising edge crossing 70% of V
CC
to SDA entering the 30% to 70% of V
CC
window
1300
ns
Clock HIGH Time
600
ns
START Condition Setup Time
600
ns
t
HD:STA
START Condition Hold Time
600
ns
t
SU:DAT
Input Data Setup Time
100
ns
t
HD:DAT
Input Data Hold Time
0
ns
t
SU:STO
STOP Condition Setup Time
From SCL rising edge crossing 70% of V
CC
,
to SDA rising edge crossing 30% of V
CC
From SDA rising edge to SCL falling edge;
both crossing 70% of V
CC
From SCL falling edge crossing 30% of V
CC
,
until SDA enters the 30% to 70% of V
CC
window
600
ns
t
HD:STO
STOP Condition Hold Time for Read,
or Volatile Only Write
1300
ns
t
DH
Output Data Hold Time
0
ns
t
R
SDA and SCL Rise Time
From 30% to 70% of V
CC
20 +
0.1 * Cb
250
ns
t
F
SDA and SCL Fall Time
From 70% to 30% of V
CC
20 +
0.1 * Cb
250
ns
Cb
Rpu
Capacitive Loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
SDA and SCL Bus Pull-up Resistor
Off-chip
Maximum is determined by t
R
and t
F
For Cb = 400pF, max is about 2~2.5k
For Cb = 40pF, max is about 15~20k
1
k
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
ISL22326
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