DS2430A Maxim, DS2430A Datasheet - Page 19

• Manufacturer Part Number: DS2430A
• Description: The DS2430A 256-bit 1-Wire® EEPROM identifies and stores relevant information about the product to which it is associated
• Manufacturer: Maxim

REVISION HISTORY
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim
reserves the right to change the circuitry and specifications without notice at any time.
M a x i m I n t e g r a t e d P r o d u c t s , 1 2 0 S a n G a b r i e l D r iv e , S u n n y v a le , C A 9 4 0 8 6 4 0 8- 7 3 7 - 7 6 0 0
© 2012 Maxim Integrated Products
REVISION
10/21/99
8/26/96
3/26/97
12/8/98
1/20/99
5/20/99
11/1/05
1/16/07
DATE
4/3/95
2/2/02
8/8/07
4/10
2/12
Initial release
Changed “C-lead” package to “TSOC” package. Deleted V
value. Note “Under certain low voltage conditions V
reduced to as much as 0.5V to always guarantee a presence pulse.” added to
V
Changed “Touch Memory” to “iButton”.
Programming time changed from 100ms to 10ms, change V
note below Figure 7, programming current changed from 600µA to 500µA, Q
removed from EC table, deleted from Note 5 “and will remain valid for 14µs
minimum (15µs total from falling edge on 1-wire bus).” Endurance added to EC
table with note “The Copy Scratchpad takes 10 ms maximum, during which the
voltage on the 1-Wire bus must not fall below 2.8V.”
Chip scale package added to ordering information
Deleted duplicate t
Template conversion, style changes (capitalization of command names, “Write-
one” to “Write-1”, “Write-zero” to “Write-0”)
Part number corrections, style corrections, note below figure 7 revised explain-
ing the appropriate R
(removed Read Memory section at the beginning), changed solder spec from
260°C to JEDEC reference, added notes 11, 12, 13 to EC table, changed
t
NRFND watermark added
Lead free part numbers added; added flip chip graphic with bump electrical
assignment, orientation mark and marking; Added flip chip 56-level drawing
number, changed "Chip Scale" name to "Flip Chip"; replaced references to the
Book of iButton Standards with the corresponding application notes.
Note on formed leads for TO-92 TRL and URL to 56-G0006-003 added, I
and I
Ordering information for standard and flip chip versions deleted, pin assignment
for flip chip version deleted, data rate changed from 16.3kbps to 15.3 kbps.
Style corrections and minor text updates for clarification.
New 1-Wire front end, improved EEPROM and related EC table with notes.
Package information section added.
Reformatted the Ordering Information, deleted the reference to the UCSP
package.
Revised EC table notes 1 and 18; added the Land Pattern No. to the Package
Information section.
RSTLmax
IL
specification, changed V
Lmax
from 5000µs to 960µs, revised text of EC table note 8.
spec values added to EC table. Data retention added to EC table.
PDL
PUP
and contradicting t
range, corrections in the Memory Functions Example
CC
to V
DESCRIPTION
PUP
19 of 19
in Note 6.
PROG
Maxim is a registered trademark of Maxim Integrated Products, Inc.
spec from EC table
ILMAX
may have to be
IHmax
DD
to V
specification
PUP
, revised
Lmin
OP
12-14, 16-17
CHANGED
PAGES
Various
Various
Various
Various
Various
Various
17, 18
1, 15
—
15
All
All
18
DS2430A
1
1
1