DS1643-12
vs
DS1643L-15
feature comparison
Rohs Code |
No
|
|
Part Life Cycle Code |
Obsolete
|
Obsolete
|
Ihs Manufacturer |
DALLAS SEMICONDUCTOR
|
DALLAS SEMICONDUCTOR
|
Package Description |
DIP, DIP28,.6
|
|
Reach Compliance Code |
unknown
|
unknown
|
Additional Feature |
ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION
|
ACCURACY 1 MIN/MONTH @ 25 DEGREE C; 10 YEARS DATA RETENTION
|
Clock Frequency-Max |
0.032 MHz
|
0.032 MHz
|
External Data Bus Width |
8
|
8
|
Information Access Method |
PARALLEL, DIRECT ADDRESS
|
PARALLEL, DIRECT ADDRESS
|
Interrupt Capability |
N
|
N
|
JESD-30 Code |
R-PDIP-T28
|
R-XDFP-U26
|
JESD-609 Code |
e0
|
|
Number of Terminals |
28
|
26
|
Number of Timers |
|
|
On Chip Data RAM Width |
8
|
8
|
Operating Temperature-Max |
70 °C
|
70 °C
|
Operating Temperature-Min |
|
|
Package Body Material |
PLASTIC/EPOXY
|
UNSPECIFIED
|
Package Code |
DIP
|
|
Package Equivalence Code |
DIP28,.6
|
MODULE,26LEAD,.80
|
Package Shape |
RECTANGULAR
|
RECTANGULAR
|
Package Style |
IN-LINE
|
FLATPACK
|
Qualification Status |
Not Qualified
|
Not Qualified
|
RAM (words) |
4096
|
4096
|
Supply Current-Max |
55 mA
|
55 mA
|
Supply Voltage-Max |
5.5 V
|
5.5 V
|
Supply Voltage-Min |
4.5 V
|
4.5 V
|
Supply Voltage-Nom |
5 V
|
5 V
|
Surface Mount |
NO
|
YES
|
Technology |
CMOS
|
CMOS
|
Temperature Grade |
COMMERCIAL
|
COMMERCIAL
|
Terminal Finish |
TIN LEAD
|
|
Terminal Form |
THROUGH-HOLE
|
J INVERTED
|
Terminal Pitch |
2.54 mm
|
|
Terminal Position |
DUAL
|
DUAL
|
Time-Min |
SECONDS
|
SECONDS
|
Volatile |
NO
|
NO
|
uPs/uCs/Peripheral ICs Type |
TIMER, REAL TIME CLOCK
|
TIMER, REAL TIME CLOCK
|
Base Number Matches |
2
|
2
|
|
|
|
Compare DS1643-12 with alternatives
Compare DS1643L-15 with alternatives