DS3906U+ Maxim Integrated Products, DS3906U+ Datasheet - Page 3

• Manufacturer Part Number: DS3906U+
• Description: IC RESIST VAR TRPL 10USOP
• Manufacturer: Maxim Integrated Products

Specifications of DS3906U+

• Taps: 64
• Resistance (ohms): 1.45K, 2.54K, 2.54K
• Number Of Circuits: 3
• Temperature Coefficient: 60 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resistance In Ohms: 1.45K, 2.54K, 2.54K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NONVOLATILE MEMORY CHARACTERISTICS
(V
AC ELECTRICAL CHARACTERISTICS (See Figure 2)
(V
Note 1: All voltages referenced to ground.
Note 2: I
Note 3: The DS3906 will not obstruct the SDA and SCL lines if V
Note 4: Tested with external resistor of 87Ω for R
Note 5: Timing shown is for fast mode (400kHz) operation. This device is also backward compatible with I
Note 6: C
Note 7: The EEPROM write time begins after a stop condition occurs.
Note 8: Guaranteed by design.
SCL Clock Frequency
Bus Free Time Between Stop and
Start Conditions
Hold Time (Repeated) Start
Condition
Low Period of SCL
High Period of SCL
Data Hold Time
Data Set-up Time
Start Set-up time
SDA and SCL Rise Time
SDA and SCL Fall Time
Stop Set-up Time
SDA and SCL Capacitive
Loading
EEPROM Write Time
EEPROM Writes
CC
CC
= +2.7V to 5.5V)
= +2.7V to 5.5V, T
not violate their minimum and maximum input voltage levels.
STBY
B
PARAMETER
PARAMETER
total capacitance of one bus line in picofarads.
is specified with SDA = SCL = V
A
= -40°C to +85°C, unless otherwise noted. Timing referenced to V
SYMBOL
SYMBOL
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
f
t
HIGH
LOW
t
SCL
BUF
C
WR
t
t
Triple NV Low Step Size Variable
R
F
B
_____________________________________________________________________
CC
0
, resistor pins floating, and inputs tied to V
(Note 5)
(Note 6)
(Note 6)
(Note 6)
(Note 7)
0°C to +70°C. The room temperature
specification is at least 4x better than
specification over 0°C to +70°C.
and R
1
and 258Ω for R
CONDITIONS
CONDITIONS
CC
is switched off as long as the voltages applied to these input do
Resistor Plus Memory
2
at 25°C.
IL(MAX)
CC
or GND.
50,000
0.1C
0.1C
20 +
20 +
MIN
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
and V
0
0
B
B
IH(MIN)
2
TYP
TYP
C standard mode timing.
.)
MAX
MAX
400
300
300
400
0.9
20
UNITS
UNITS
kHz
ms
pF
µs
µs
µs
µs
µs
ns
µs
ns
ns
µs
3