4-bit bidirectional binary counter IC, featuring positive edge triggering and a maximum operating frequency of 30 MHz. This logic IC operates with a nominal supply voltage of 5V, ranging from 4.5V to 5.5V. Housed in a 16-terminal SOIC package (R-PDSO-G16), it offers a propagation delay of 18ns and a maximum output current (Iol) of 8mA. Designed for commercial temperature ranges (0°C to 70°C), it supports a load capacitance of 50pF.
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Technical Specifications
Texas Instruments SN74ALS191D technical specifications.
General
| Max Operating Temperature | 70 |
| Number of Terminals | 16 |
| Min Operating Temperature | 0 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDSO-G16 |
| Width | 3.9 |
| Length | 9.9 |
| Pin Count | 16 |
| Number of Functions | 1 |
| Temperature Grade | COMMERCIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 5.5 |
| Supply Voltage-Min (Vsup) | 4.5 |
| Logic IC Type | BINARY COUNTER |
| Family | ALS |
| Propagation Delay (tpd) | 18 |
| Number of Bits | 4 |
| Max I(ol) | 0.008 |
| Load Capacitance | 50 |
| Power Supply Current-Max (ICC) | 22 |
| Count Direction | BIDIRECTIONAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 30 |
| Max Frequency@Nom-Sup | 30000000 |
Compliance
| RoHS | No |
| Lead Free | No |
| HTS Code | 8542.39.00.01 |
| REACH | not_compliant |
| Military Spec | False |
Datasheet
Texas Instruments SN74ALS191D Datasheet
Download the complete datasheet for Texas Instruments SN74ALS191D to view detailed technical specifications.
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