DS2430A(2012) データシートの表示（PDF） - Maxim Integrated
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DS2430A Datasheet PDF : 19 Pages
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REVISION HISTORY
DS2430A
REVISION
DATE
DESCRIPTION
PAGES
CHANGED
4/3/95
Initial release
—
8/26/96
3/26/97
12/8/98
Changed “C-lead” package to “TSOC” package. Deleted VIHmax specification
value. Note “Under certain low voltage conditions VILMAX may have to be
S reduced to as much as 0.5V to always guarantee a presence pulse.” added to
VIL specification, changed VCC to VPUP in Note 6.
N Changed “Touch Memory” to “iButton”.
G Programming time changed from 100ms to 10ms, change VDD to VPUP, revised
I note below Figure 7, programming current changed from 600µA to 500µA, QOP
removed from EC table, deleted from Note 5 “and will remain valid for 14µs
S minimum (15µs total from falling edge on 1-wire bus).” Endurance added to EC
E table with note “The Copy Scratchpad takes 10 ms maximum, during which the
D voltage on the 1-Wire bus must not fall below 2.8V.”
Various
Various
Various
1/20/99
Chip scale package added to ordering information
1
5/20/99
10/21/99
Deleted duplicate tPDL and contradicting tPROG spec from EC table
W Template conversion, style changes (capitalization of command names, “Write-
one” to “Write-1”, “Write-zero” to “Write-0”)
E Part number corrections, style corrections, note below figure 7 revised explain-
N ing the appropriate RPUP range, corrections in the Memory Functions Example
15
All
2/2/02
11/1/05
(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
R tRSTLmax from 5000µs to 960µs, revised text of EC table note 8.
O NRFND watermark added
F Lead free part numbers added; added flip chip graphic with bump electrical
Various
All
1/16/07
ED 8/8/07
ND 4/10
RECOMME 2/12
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, ILmin
and ILmax spec values added to EC table. Data retention added to EC table.
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.
Various
1, 15
1
Various
12-14, 16-17
18
1
17, 18
NOT
19 of 19
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.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2012 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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