IC,COUNTER,UP/DOWN,4-BIT BINARY,STD-TTL,FP,16PIN,CERAMIC
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| package instruction | DFP, FL16,.3 |
| Reach Compliance Code | unknown |
| Counting direction | BIDIRECTIONAL |
| JESD-30 code | R-XDFP-F16 |
| JESD-609 code | e0 |
| Load/preset input | YES |
| Logic integrated circuit type | BINARY COUNTER |
| Operating mode | SYNCHRONOUS |
| Number of functions | 1 |
| Number of terminals | 16 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Package body material | CERAMIC |
| encapsulated code | DFP |
| Encapsulate equivalent code | FL16,.3 |
| Package shape | RECTANGULAR |
| Package form | FLATPACK |
| power supply | 5 V |
| Certification status | Not Qualified |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | YES |
| technology | TTL |
| Temperature level | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | FLAT |
| Terminal pitch | 1.27 mm |
| Terminal location | DUAL |
| Base Number Matches | 1 |
| 74191FC | 74191DC | 74191PC | |
|---|---|---|---|
| Description | IC,COUNTER,UP/DOWN,4-BIT BINARY,STD-TTL,FP,16PIN,CERAMIC | IC,COUNTER,UP/DOWN,4-BIT BINARY,STD-TTL,DIP,16PIN,CERAMIC | IC TTL/H/L SERIES, SYN POSITIVE EDGE TRIGGERED 16-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16, PLASTIC, DIP-16, Counter |
| Is it Rohs certified? | incompatible | incompatible | incompatible |
| package instruction | DFP, FL16,.3 | DIP, DIP16,.3 | DIP, DIP16,.3 |
| Reach Compliance Code | unknown | unknown | unknown |
| Counting direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| JESD-30 code | R-XDFP-F16 | R-XDIP-T16 | R-PDIP-T16 |
| JESD-609 code | e0 | e0 | e0 |
| Load/preset input | YES | YES | YES |
| Logic integrated circuit type | BINARY COUNTER | BINARY COUNTER | BINARY COUNTER |
| Operating mode | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS |
| Number of functions | 1 | 1 | 1 |
| Number of terminals | 16 | 16 | 16 |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C |
| Package body material | CERAMIC | CERAMIC | PLASTIC/EPOXY |
| encapsulated code | DFP | DIP | DIP |
| Encapsulate equivalent code | FL16,.3 | DIP16,.3 | DIP16,.3 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | FLATPACK | IN-LINE | IN-LINE |
| power supply | 5 V | 5 V | 5 V |
| Certification status | Not Qualified | Not Qualified | Not Qualified |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V |
| surface mount | YES | NO | NO |
| technology | TTL | TTL | TTL |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal surface | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | FLAT | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 1.27 mm | 2.54 mm | 2.54 mm |
| Terminal location | DUAL | DUAL | DUAL |
| Maker | - | National Semiconductor（TI ） | National Semiconductor（TI ） |
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