PartNumber | SN74ALS191ANSR | SN74ALS191ANSRE4 | SN74ALS191ANS |
Description | Counter ICs 4-Bit Synch Up/Down Binary Counter | Counter ICs 4-Bit Synch Up/Down Binary Counter | Counter Single 4-Bit Async Binary UP/Down 16-Pin SOP Tube |
Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
Product Category | Counter ICs | Counter ICs | Logic - Counters, Dividers |
RoHS | Y | Y | - |
Mounting Style | SMD/SMT | SMD/SMT | - |
Package / Case | SO-16 | SO-16 | - |
Counter Type | Binary | Binary | - |
Logic Family | TTL | TTL | - |
Number of Bits | 4 | 4 | - |
Counting Method | Synchronous | Synchronous | - |
Counting Sequence | Up/Down | Up/Down | - |
Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
Minimum Operating Temperature | 0 C | 0 C | - |
Maximum Operating Temperature | + 70 C | + 70 C | - |
Packaging | Reel | Reel | Tape & Reel (TR) |
Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
Brand | Texas Instruments | Texas Instruments | - |
Product Type | Counter ICs | Counter ICs | - |
Factory Pack Quantity | 1 | 1 | - |
Subcategory | Counter ICs | Counter ICs | - |
Unit Weight | 0.007079 oz | 0.007079 oz | - |
Series | - | - | 74ALS |
Package Case | - | - | 16-SOIC (0.209", 5.30mm Width) |
Operating Temperature | - | - | 0°C ~ 70°C |
Mounting Type | - | - | Surface Mount |
Direction | - | - | Up, Down |
Voltage Supply | - | - | 4.5 V ~ 5.5 V |
Supplier Device Package | - | - | 16-SO |
Number of Elements | - | - | 1 |
Logic Type | - | - | Binary Counter |
Number of Bits per Element | - | - | 4 |
Reset | - | - | - |
Timing | - | - | Synchronous |
Count Rate | - | - | 30MHz |
Trigger Type | - | - | Positive Edge |