Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction, TTL, PQCC28, PLASTIC, LCC-28
| Parameter Name | Attribute value |
| Maker | Rochester Electronics |
| package instruction | QCCJ, |
| Reach Compliance Code | unknown |
| Other features | PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE |
| Counting direction | DOWN |
| series | F/FAST |
| JESD-30 code | S-PQCC-J28 |
| length | 11.5062 mm |
| Load/preset input | YES |
| Logic integrated circuit type | DIVIDE BY N COUNTER |
| Operating mode | ASYNCHRONOUS |
| Number of functions | 1 |
| Number of terminals | 28 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | QCCJ |
| Package shape | SQUARE |
| Package form | CHIP CARRIER |
| propagation delay (tpd) | 22 ns |
| Maximum seat height | 4.57 mm |
| Maximum supply voltage (Vsup) | 5.25 V |
| Minimum supply voltage (Vsup) | 4.75 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | YES |
| technology | TTL |
| Temperature level | COMMERCIAL |
| Terminal form | J BEND |
| Terminal pitch | 1.27 mm |
| Terminal location | QUAD |
| Trigger type | POSITIVE EDGE |
| width | 11.5062 mm |
| minfmax | 60 MHz |
| Base Number Matches | 1 |
| 74F525QC | 74F525DC | 74F525PC | 74F525SC | |
|---|---|---|---|---|
| Description | Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction, TTL, PQCC28, PLASTIC, LCC-28 | Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction, TTL, CDIP28, CERAMIC, DIP-28 | Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction, TTL, PDIP28, PLASTIC, DIP-28 | Divide By N Counter, F/FAST Series, Asynchronous, Positive Edge Triggered, Down Direction, TTL, PDSO28, 0.150 INCH, SOIC-28 |
| Maker | Rochester Electronics | Rochester Electronics | Rochester Electronics | Rochester Electronics |
| package instruction | QCCJ, | DIP, | DIP, | SOP, |
| Reach Compliance Code | unknown | unknown | unknown | unknown |
| Other features | PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE | PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE | PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE | PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE |
| Counting direction | DOWN | DOWN | DOWN | DOWN |
| series | F/FAST | F/FAST | F/FAST | F/FAST |
| JESD-30 code | S-PQCC-J28 | R-GDIP-T28 | R-PDIP-T28 | R-PDSO-G28 |
| Load/preset input | YES | YES | YES | YES |
| Logic integrated circuit type | DIVIDE BY N COUNTER | DIVIDE BY N COUNTER | DIVIDE BY N COUNTER | DIVIDE BY N COUNTER |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Number of functions | 1 | 1 | 1 | 1 |
| Number of terminals | 28 | 28 | 28 | 28 |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C |
| Package body material | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | QCCJ | DIP | DIP | SOP |
| Package shape | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | CHIP CARRIER | IN-LINE | IN-LINE | SMALL OUTLINE |
| propagation delay (tpd) | 22 ns | 22 ns | 22 ns | 22 ns |
| Maximum supply voltage (Vsup) | 5.25 V | 5.25 V | 5.25 V | 5.25 V |
| Minimum supply voltage (Vsup) | 4.75 V | 4.75 V | 4.75 V | 4.75 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V | 5 V |
| surface mount | YES | NO | NO | YES |
| technology | TTL | TTL | TTL | TTL |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal form | J BEND | THROUGH-HOLE | THROUGH-HOLE | GULL WING |
| Terminal location | QUAD | DUAL | DUAL | DUAL |
| Trigger type | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE | POSITIVE EDGE |
| minfmax | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Base Number Matches | 1 | 1 | 1 | 1 |
| length | 11.5062 mm | 37.085 mm | 36.3 mm | - |
| Maximum seat height | 4.57 mm | 5.72 mm | 5.08 mm | - |
| Terminal pitch | 1.27 mm | 2.54 mm | 2.54 mm | - |
| width | 11.5062 mm | 15.24 mm | 15.24 mm | - |
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