Eeprom reliability specification – Rainbow Electronics DS2788 User Manual
Page 4
D
S
2
7
8
8
Stand-Alone Fuel-Gauge IC with
LED Display Drivers
4
_______________________________________________________________________________________
Note 1: All voltages are referenced to V
SS
.
Note 2: Factory-calibrated accuracy. Higher accuracy can be achieved by in-system calibration by the user.
Note 3: Parameters guaranteed by design.
Note 4: At a constant regulated V
DD
voltage, the Current Offset Bias register can be used to obtain higher accuracy.
Note 5: Accumulation Bias register set to 00h.
Note 6: EEPROM data retention is 10 years at +50°C.
ELECTRICAL CHARACTERISTICS: 1-Wire INTERFACE, OVERDRIVE
(V
CC
= 2.5V to 5.5V, T
A
= -25°C to +70°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Time Slot
t
SLOT
6
16
µs
Recovery Time
t
REC
1
µs
Write-0 Low Time
t
LOW0
6
16
µs
Write-1 Low Time
t
LOW1
1
2
µs
Read Data Valid
t
RDV
2
µs
Reset-Time High
t
RSTH
48
µs
Reset-Time Low
t
RSTL
48
80
µs
Presence-Detect High
t
PDH
2
6
µs
Presence-Detect Low
t
PDL
8
24
µs
EEPROM RELIABILITY SPECIFICATION
(V
CC
= 2.5V to 5.5V, T
A
= -25°C to +70°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Copy Time
t
EEC
10
ms
EEPROM Copy Endurance
N
EEC
T
A
= +50°C (Note 6)
50,000
Cycles