MC146818ACFN
vs
DS12887A
feature comparison
| Part Life Cycle Code |
Obsolete
|
Obsolete
|
| Ihs Manufacturer |
MOTOROLA INC
|
MAXIM INTEGRATED PRODUCTS INC
|
| Part Package Code |
QLCC
|
|
| Package Description |
QCCJ,
|
ENCAPSULATED, DIP-24
|
| Pin Count |
28
|
|
| Reach Compliance Code |
unknown
|
compliant
|
| ECCN Code |
EAR99
|
|
| HTS Code |
8542.39.00.01
|
|
| Additional Feature |
ALSO OPERATES AT 3V SUPPLY
|
DAYLIGHT SAVINGS OPTION; SELECTABLE MOTOROLA/INTEL TIMING; 10 YEARS DATA RETENTION; RAM CLEAR I/P
|
| Bus Compatibility |
8085; 8048; 8049; MC3870; MC6805; MC146805; S2000; 8021
|
|
| Clock Frequency-Max |
0.032 MHz
|
0.032 MHz
|
| External Data Bus Width |
8
|
8
|
| Information Access Method |
PARALLEL, MUXED BUS
|
PARALLEL, MUXED BUS
|
| JESD-30 Code |
S-PQCC-J28
|
R-PDIP-T24
|
| JESD-609 Code |
e0
|
e0
|
| Length |
11.505 mm
|
33.782 mm
|
| Number of Terminals |
28
|
24
|
| Number of Timers |
|
|
| On Chip Data RAM Width |
8
|
|
| Operating Temperature-Max |
85 °C
|
70 °C
|
| Operating Temperature-Min |
-40 °C
|
|
| Output Clock Frequency-Max |
0.032768 MHz
|
|
| Package Body Material |
PLASTIC/EPOXY
|
PLASTIC/EPOXY
|
| Package Code |
QCCJ
|
DIP
|
| Package Shape |
SQUARE
|
RECTANGULAR
|
| Package Style |
CHIP CARRIER
|
IN-LINE
|
| Qualification Status |
Not Qualified
|
Not Qualified
|
| RAM (words) |
50
|
|
| Seated Height-Max |
4.57 mm
|
9.398 mm
|
| Supply Current-Max |
3 mA
|
|
| Supply Voltage-Max |
5.25 V
|
5.5 V
|
| Supply Voltage-Min |
4.5 V
|
4.5 V
|
| Supply Voltage-Nom |
5 V
|
5 V
|
| Surface Mount |
YES
|
NO
|
| Technology |
CMOS
|
CMOS
|
| Temperature Grade |
INDUSTRIAL
|
COMMERCIAL
|
| Terminal Finish |
Tin/Lead (Sn/Pb)
|
TIN LEAD
|
| Terminal Form |
J BEND
|
THROUGH-HOLE
|
| Terminal Pitch |
1.27 mm
|
2.54 mm
|
| Terminal Position |
QUAD
|
DUAL
|
| Width |
11.505 mm
|
15.24 mm
|
| uPs/uCs/Peripheral ICs Type |
TIMER, REAL TIME CLOCK
|
TIMER, REAL TIME CLOCK
|
| Base Number Matches |
1
|
2
|
| Rohs Code |
|
No
|
| Interrupt Capability |
|
Y
|
| Moisture Sensitivity Level |
|
1
|
| Package Equivalence Code |
|
DIP24,.6
|
| Time-Min |
|
SECONDS
|
| Volatile |
|
NO
|
|
|
|
Compare MC146818ACFN with alternatives
Compare DS12887A with alternatives