DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock
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Maxim/Dallas Semiconductor cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim/Dallas Semiconductor product.
No circuit patent licenses are implied. Maxim/Dallas Semiconductor reserves the right to change the circuitry and specifications without notice at any time.
Ma xi m I nt e gr at e d Pr o du ct s, 1 2 0 S a n G abr i el Dr i ve, S un n yv al e, C A 94 0 8 6 40 8- 7 37- 7 60 0
© 2005 Maxim Integrated Products
·
Printed USA
The Maxim logo is a registered trademark of Maxim Integrated Products, Inc. The Dallas logo is a registered trademark of Dallas Semiconductor Corporation.
DATA SHEET REVISION SUMMARY
REVISION DESCRIPTION
070505
1) Added Pb-free/RoHS-compliant part numbers to Ordering Information table.
2) Deleted the “A” from the IPC/JEDEC J-STD-020 specification in the Absolute Maximum Ratings.
040104
3) Removed “Preliminary” status.
4) Soldering temperature parameter now references JEDEC specification.
5) Added note to absolute maximums clarifying voltages referenced to ground and storage temperature.
6) Updated
I
CC
, I
IDLE
, I
STOP
, I
SPBG
, I
IL
, and I
TL
to incorporate errata conditions.
7) Added note clarifying DC electrical test conditions.
8) Added note clarifying V
OH3
specification applies to first clock cycle following the transition.
9) Updated AC and MOVX electrical characteristics with final characterization values.
10) Added t
AVLL2
specification and corrected MOVX timing diagrams to show t
AVLL2
instead of t
AVLL
.
11) Updated I
BAT
to incorporate errata conditions.
112299
Contact factory for details.
070798
1) Added DS83C530 to data sheet.
2) Updated PMM operating current estimates.
3) Added note to clarify I
IL
specification.
4) Added note to prevent accidental corruption of Watchdog Timer count while changing counter length.
5) Changed
I
BAT
specification to 1
m
A over extended temperature range.
6) Changed minimum oscillator frequency to 1MHz when using external crystal.
7) Changed RST pulldown resistance from 170k
W
to 200k
W
maximum.
8) Corrected “Data memory write with stretch” diagrams to show falling edge of ALE coincident with
rising edge of C3 clock.
022097
1) Updated ALE pin description.
2) Added note pertaining to erasure window.
3) Added note pertaining to internal MOVX SRAM.
4) Changed Note 6 from RST=5.5V to RST=V
CC
.
5) Changed Note 10 from RST=5.5V to RST=V
CC
.
6) Changed serial port mode 0 timing diagram label from t
QVXL
to t
QVXH
.
7) Added information pertaining to 52-pin TQFP package.
060895 Initial
release.
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