|
MC146818ACFN |
MC146818ACP |
MC146818AFN |
Description |
Real Time Clock, 1 Timer(s), CMOS, PQCC28, PLASTIC, LCC-28 |
Real Time Clock, 1 Timer(s), CMOS, PDIP24, PLASTIC, DIP-24 |
Real Time Clock, 1 Timer(s), CMOS, PQCC28, PLASTIC, LCC-28 |
Is it Rohs certified? |
incompatible |
incompatible |
incompatible |
package instruction |
QCCJ, |
DIP, |
QCCJ, |
Reach Compliance Code |
unknown |
unknown |
unknown |
ECCN code |
EAR99 |
EAR99 |
EAR99 |
Bus compatibility |
8085; 8048; 8049; MC3870; MC6805; MC146805; S2000; 8021 |
8085; 8048; 8049; MC3870; MC6805; MC146805; S2000; 8021 |
8085; 8048; 8049; MC3870; MC6805; MC146805; S2000; 8021 |
maximum clock frequency |
1 MHz |
1 MHz |
1 MHz |
External data bus width |
8 |
8 |
8 |
Information access methods |
PARALLEL, MUXED BUS |
PARALLEL, MUXED BUS |
PARALLEL, MUXED BUS |
JESD-30 code |
S-PQCC-J28 |
R-PDIP-T24 |
S-PQCC-J28 |
JESD-609 code |
e0 |
e0 |
e0 |
length |
11.505 mm |
31.75 mm |
11.505 mm |
Number of terminals |
28 |
24 |
28 |
Number of timers |
1 |
1 |
1 |
On-chip data RAM width |
8 |
8 |
8 |
Maximum operating temperature |
85 °C |
85 °C |
70 °C |
Minimum operating temperature |
-40 °C |
-40 °C |
- |
Maximum output clock frequency |
0.032768 MHz |
0.032768 MHz |
0.032768 MHz |
Package body material |
PLASTIC/EPOXY |
PLASTIC/EPOXY |
PLASTIC/EPOXY |
encapsulated code |
QCCJ |
DIP |
QCCJ |
Package shape |
SQUARE |
RECTANGULAR |
SQUARE |
Package form |
CHIP CARRIER |
IN-LINE |
CHIP CARRIER |
Certification status |
Not Qualified |
Not Qualified |
Not Qualified |
RAM (number of words) |
50 |
50 |
50 |
Maximum seat height |
4.57 mm |
5.08 mm |
4.57 mm |
Maximum slew rate |
3 mA |
3 mA |
3 mA |
Maximum supply voltage |
6 V |
6 V |
6 V |
Minimum supply voltage |
3 V |
3 V |
3 V |
Nominal supply voltage |
5 V |
5 V |
5 V |
surface mount |
YES |
NO |
YES |
technology |
CMOS |
CMOS |
CMOS |
Temperature level |
INDUSTRIAL |
INDUSTRIAL |
COMMERCIAL |
Terminal surface |
Tin/Lead (Sn/Pb) |
Tin/Lead (Sn/Pb) |
Tin/Lead (Sn/Pb) |
Terminal form |
J BEND |
THROUGH-HOLE |
J BEND |
Terminal pitch |
1.27 mm |
2.54 mm |
1.27 mm |
Terminal location |
QUAD |
DUAL |
QUAD |
width |
11.505 mm |
15.24 mm |
11.505 mm |
uPs/uCs/peripheral integrated circuit type |
TIMER, REAL TIME CLOCK |
TIMER, REAL TIME CLOCK |
TIMER, REAL TIME CLOCK |
Maker |
Motorola ( NXP ) |
- |
Motorola ( NXP ) |
Other features |
ALSO OPERATES AT 3V SUPPLY |
- |
ALSO OPERATES AT 3V SUPPLY |