DS2431Q+T&R Maxim Integrated Products, DS2431Q+T&R Datasheet - Page 4

• Manufacturer Part Number: DS2431Q+T&R
• Description: IC EEPROM 1KBIT 6TDFN
• Manufacturer: Maxim Integrated Products

Specifications of DS2431Q+T&R

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 1K (256 x 4)
• Interface: 1-Wire Serial
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 6-TDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Speed: -

1024-Bit, 1-Wire EEPROM
COMPARISON TABLE
Note 19: Current drawn from IO during the EEPROM programming interval. The pullup circuit on IO during the programming interval
Note 20: Interval begins t
Note 21: t
Note 22: Write-cycle endurance is degraded as T
Note 23: Not 100% production tested; guaranteed by reliability monitor sampling.
Note 24: Data retention is degraded as T
Note 25: Guaranteed by 100% production test at elevated temperature for a shorter time; equivalence of this production test to the
Note 26: EEPROM writes can become nonfunctional after the data-retention time is exceeded. Long-term storage at elevated tem-
* Intentional change; longer recovery time requirement due to modified 1-Wire front-end.
Note: Numbers in bold are not in compliance with legacy 1-Wire product standards.
4
t
t
t
t
t
SLOT
RSTL
PDH
PDL
W0L
_______________________________________________________________________________________
PARAMETER
(including t
should be such that the voltage at IO is greater than or equal to V
impedance bypass of R
sequence. Interval ends once the device’s self-timed EEPROM programming cycle is complete and the current drawn by
the device has returned from I
data sheet limit at operating temperature range is established by reliability testing.
peratures is not recommended; the device can lose its write capability after 10 years at +125°C or 40 years at +85°C.
PROG
for units branded version “A1” is 12.5ms. t
REC
)
REHMAX
STANDARD SPEED
MIN
480
61
15
60
60
PUP
after the trailing rising edge on IO for the last time slot of the E/S byte for a valid Copy Scratchpad
(μs)
, which can be activated during programming, may need to be added.
(undefined)
(undefined)
PROG
A
LEGACY VALUES
MAX
240
120
increases.
60
to I
L
.
A
increases.
OVERDRIVE SPEED
MIN
48
7
2
8
6
PROG
(μs)
for units branded version “A2” and later is 10ms.
(undefined)
MAX
80
24
16
6
PUPMIN
STANDARD SPEED
. If V
MIN
480
65*
15
60
60
PUP
(μs)
in the system is close to V
(undefined)
MAX
DS2431 VALUES
640
240
120
60
OVERDRIVE SPEED
MIN
48
8*
2
8
6
PUPMIN
(μs)
(undefined)
MAX
15.5
, a low-
80
24
6