Datasheet

DS4830
Optical Microcontroller
6Maxim Integrated
FLASH MEMORY DC ELECTRICAL CHARACTERISTICS
(V
DD
= 2.97V to 3.63V, T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at V
DD
= 3.3V, T
A
= +25NC.)
I
2
C-COMPATIBLE INTERFACE ELECTRICAL CHARACTERISTICS
(V
DD
= 2.97V to 3.63V, T
A
= -40NC to +85NC, unless otherwise noted.) (See Figure 1.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Flash Erase Time
t
ME
Mass erase 22.9 24.14 25.35
ms
t
PE
Page erase 22.9 24.14 25.35
Flash Programming Time per Word t
PROG
(Note 9) 69 74 79 µs
Flash Programming Temperature T
FLASH
-40 +85 NC
Flash Endurance n
FLASH
T
A
= +50NC, guaranteed by design 20,000
Write
Cycles
Data Retention t
RET
T
A
= +50NC, guaranteed by design 100 Years
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL/MSCL Clock Frequency f
SCL
Timeout not enabled 400 kHz
SCL Bootloader Clock Frequency f
SCL:BOOT
100 kHz
Bus Free Time Between a STOP
and START Condition
t
BUF
1.3 Fs
Hold Time (Repeated)
START Condition
t
HD:STA
(Note 10) 0.6 Fs
Low Period of SCL/MSCL Clock t
LOW
1.3 Fs
High Period of SCL/MSCL Clock t
HIGH
0.6 Fs
Setup Time for a (Repeated)
START Condition
t
SU:STA
0.6 Fs
Data Hold Time (Note 11) t
HD:DAT
Receive 0
ns
Transmit 300
Data Setup Time t
SU:DAT
(Note 12) 100 ns
SCL/MSCL, SDA/MSDA Capacitive
Loading
C
B
(Note 12) 400 pF
Rise Time of Both SDA and
SCL Signals
t
R
(Note 12)
20 +
0.1C
B
300 ns
Fall Time of Both SDA and
SCL Signals
t
F
(Note 12)
20 +
0.1C
B
300 ns
Setup Time for STOP
Condition
t
SU:STO
0.6 Fs
Spike Pulse Width That Can Be
Suppressed by Input Filter
t
SP
(Note 13) 50 ns
SCL/MSCL and SDA/MSDA Input
Capacitance
C
BIN
5 pF
SMBus Timeout t
SMBUS
30 ms