DS1845E-100+T&R Maxim Integrated Products, DS1845E-100+T&R Datasheet - Page 12

• Manufacturer Part Number: DS1845E-100+T&R
• Description: IC POT/MEM DUAL NV 100K 14-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of DS1845E-100+T&R

• Taps: 100, 256
• Resistance (ohms): 10K, 100K
• Number Of Circuits: 2
• Temperature Coefficient: 750 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: 14-TSSOP
• Resistance In Ohms: 10K and 100K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC ELECTRICAL CHARACTERISTICS
SCL clock frequency
Bus free time between
STOP and START
condition
Hold time (repeated)
START condition
Low period of SCL clock
High period of SCL clock
Data hold time
Data set-up time
Start set-up time
Rise time of both SDA
and SCL signals
Fall time of both SDA
and SCL signals
Set-up time for STOP
condition
Capacitive load for each
bus line
EEPROM write time
NOTES
1. All voltages are referenced to ground.
2. I
3. I/O pins of fast mode devices must not obstruct the SDA and SCL lines if V
4. A fast mode device can be used in a standard mode system, but the requirement t
5. After this period, the first clock pulse is generated.
6. The maximum t
logic levels. Appropriate logic levels specify that logic inputs are within a 0.5V of ground or V
the corresponding inactive state.
then be met. This will automatically be the case if the device does not stretch the LOW period of the
SCL signal. If such a device does stretch the LOW period of the SCL signal, it must output the next
data bit to the SDA line t
SCL signal.
STBY
PARAMETER
specified with V
:
HD:DAT
CC
has only to be met if the device does not stretch the LOW period (t
SYMBOL
equal 3.0V and 5.0V and control port logic pins are driven to the appropriate
RMAX
t
t
t
t
t
HD:DAT
HD:STA
SU:DAT
SU:STA
SU:STO
t
t
f
t
HIGH
LOW
C
BUF
SCL
t
t
t
W
R
F
B
+ t
SU:DAT
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
CONDITION
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
= 1000 + 250 = 1250 ns before the SCL line is released.
12 of 14
0.1C
0.1C
(-40°C to 85°C , Vcc=2.7V to 5.5V)
MIN
20 +
20 +
100
250
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.0
0
0
0
0
B
B
TYP
5
MAX
1000
400
100
300
300
300
400
0.9
CC
is switched off.
SU:DAT
UNITS
kHz
ms
pF
ms
ms
ms
ms
ms
ms
ms
ns
ns
ns
> 250 ns must
LOW
6
7
7
NOTES
) of the
CC
4
5
7
8
for