4 Digit Up/Down Counter/Decoder/Driver
| MM74C945 | MM74C945-MM74C947 | MM74C947N | MM74C947CQH | MM74C947C/D | MM74C945CQH | MM74C945C/D | |
|---|---|---|---|---|---|---|---|
| Description | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver | 4 Digit Up/Down Counter/Decoder/Driver |
| Is it Rohs certified? | - | - | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | - | - | Maxim | Maxim | Maxim | Maxim | Maxim |
| Parts packaging code | - | - | DIP | LCC | DIE | LCC | DIE |
| package instruction | - | - | PLASTIC, DIP-40 | PLASTIC, LCC-44 | DIE-40 | PLASTIC, LCC-44 | DIE-40 |
| Contacts | - | - | 40 | 44 | 40 | 44 | 40 |
| Reach Compliance Code | - | - | _compli | _compli | _compli | _compli | _compli |
| Other features | - | - | 4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS | 4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS | 4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT | 4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT; 7 SEGMENT DISPLAY DRIVERS | 4 DIGIT COUNTER WITH OUTPUT LATCHES; SCHMITT TRIGGER ON CLOCK INPUT |
| Counting direction | - | - | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| series | - | - | CMOS | CMOS | CMOS | CMOS | CMOS |
| JESD-30 code | - | - | R-PDIP-T40 | S-PQCC-J44 | R-XUUC-N40 | S-PQCC-J44 | R-XUUC-N40 |
| JESD-609 code | - | - | e0 | e0 | e0 | e0 | e0 |
| Load/preset input | - | - | YES | YES | YES | YES | YES |
| Logic integrated circuit type | - | - | DISPLAY DRIVER COUNTER | DISPLAY DRIVER COUNTER | DISPLAY DRIVER COUNTER | DISPLAY DRIVER COUNTER | DISPLAY DRIVER COUNTER |
| Operating mode | - | - | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Number of digits | - | - | 16 | 16 | 16 | 16 | 16 |
| Number of functions | - | - | 1 | 1 | 1 | 1 | 1 |
| Number of terminals | - | - | 40 | 44 | 40 | 44 | 40 |
| Maximum operating temperature | - | - | 85 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| Package body material | - | - | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | UNSPECIFIED |
| encapsulated code | - | - | DIP | QCCJ | DIE | QCCJ | DIE |
| Package shape | - | - | RECTANGULAR | SQUARE | RECTANGULAR | SQUARE | RECTANGULAR |
| Package form | - | - | IN-LINE | CHIP CARRIER | UNCASED CHIP | CHIP CARRIER | UNCASED CHIP |
| Peak Reflow Temperature (Celsius) | - | - | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| Certification status | - | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum supply voltage (Vsup) | - | - | 6 V | 6 V | 6 V | 6 V | 6 V |
| Minimum supply voltage (Vsup) | - | - | 3 V | 3 V | 3 V | 3 V | 3 V |
| surface mount | - | - | NO | YES | YES | YES | YES |
| technology | - | - | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | - | - | INDUSTRIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal surface | - | - | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | TIN LEAD | Tin/Lead (Sn/Pb) | TIN LEAD |
| Terminal form | - | - | THROUGH-HOLE | J BEND | NO LEAD | J BEND | NO LEAD |
| Terminal location | - | - | DUAL | QUAD | UPPER | QUAD | UPPER |
| Maximum time at peak reflow temperature | - | - | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| Trigger type | - | - | NEGATIVE EDGE | NEGATIVE EDGE | NEGATIVE EDGE | NEGATIVE EDGE | NEGATIVE EDGE |
| minfmax | - | - | 2 MHz | 2 MHz | 2 MHz | 2 MHz | 2 MHz |
京公网安备 11010802033920号
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