DS1841N+T&R Maxim Integrated Products, DS1841N+T&R Datasheet - Page 4

• Manufacturer Part Number: DS1841N+T&R
• Description: IC RES LOG NV I2C 10-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1841N+T&R

• Taps: 128
• Resistance (ohms): 22K
• Number Of Circuits: 1
• Temperature Coefficient: 250 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 10-TDFN Exposed Pad
• Resistance In Ohms: 22K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I
(V
NONVOLATILE MEMORY CHARACTERISTICS
(V
Temperature-Controlled, NV, I
Logarithmic Resistor
Note 1: All voltages are referenced to ground. Currents entering the IC are specified positive and currents exiting the IC are
Note 2: I
Note 3: This is the minimum V
Note 4: This is the time from V
Note 5: Guaranteed by design.
Note 6: I
Note 7: C
Note 8: EEPROM write time begins after a STOP condition occurs.
Note 9: Guaranteed by characterization.
4
2
EEPROM Write Time
A0, A1 Setup Time
A0, A1 Hold Time
Input Capacitance on
A0, A1, SDA, or SCL
Startup Time
EEPROM Write Cycles
EEPROM Write Cycles
CC
CC
C AC ELECTRICAL CHARACTERISTICS (See Figure 3) (continued)
_______________________________________________________________________________________
= +2.7V to +5.5V, T
= +2.7V to +5.5V)
negative.
Standard Mode timing.
CC
2
PARAMETER
PARAMETER
C interface timing shown is for Fast-Mode (400kHz) operation. This device is also backward-compatible with I
B
—total capacitance of one bus line in picofarads.
is specified with the following conditions: SCL and SDA = V
A
= -40°C to +100°C, timing referenced to V
CC
CC
voltage that causes NV memory to be recalled.
> V
SYMBOL
SYMBOL
POR
t
t
HD:A
SU:A
t
t
C
ST
W
I
until initial memory recall is complete.
(Note 8)
Before START
After STOP
T
T
A
A
= +85°C
= +25°C (Note 9)
CONDITIONS
CONDITIONS
IL(MAX)
CC
, RW and RH floating with Update Mode bit = 1.
and V
IH(MIN)
2
C,
.)
200,000
50,000
MIN
0.6
0.6
MIN
TYP
TYP
10
5
MAX
MAX
20
10
2
2
C-
UNITS
UNITS
Writes
Writes
ms
ms
pF
μs
μs