| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Logic Type | Direction | Number of Elements | Number of Bits per Element | Reset | Timing | Count Rate | Trigger Type | Voltage - Supply | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | HEF4518BP,652IC BCD COUNTER DUAL 4-BIT 16DIP NXP USA Inc. | 3,020 |  |   Datasheet | 4000B | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | BCD Counter | Up | 2 | 4 | Asynchronous | - | 40 MHz | Positive, Negative | 4.5 V ~ 15.5 V | -40°C ~ 85°C | - | - | Through Hole | 16-DIP | 
|   | HEF4521BP,652IC DIVIDER BY 2 24-BIT NXP USA Inc. | 3,393 |  |   Datasheet | 4000B | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Divide-by-2 | - | 1 | 24 | Asynchronous | - | 35 MHz | Negative Edge | 3 V ~ 15 V | -40°C ~ 85°C | - | - | Through Hole | - | 
|   | HEF4526BP,652IC BINARY COUNTER 4-BIT 16DIP NXP USA Inc. | 2,903 |  |   Datasheet | 4000B | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Binary Counter | Down | 1 | 4 | Asynchronous | Synchronous | 32 MHz | Positive, Negative | 4.5 V ~ 15.5 V | -40°C ~ 85°C | - | - | Through Hole | 16-DIP | 
|   | HEF4526BT,652IC BINARY COUNTER 4-BIT 16SO NXP USA Inc. | 3,340 |  |   Datasheet | 4000B | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Binary Counter | Down | 1 | 4 | Asynchronous | Synchronous | 32 MHz | Positive, Negative | 4.5 V ~ 15.5 V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO | 
|   | HEF4526BT,653IC BINARY COUNTER 4-BIT 16SO NXP USA Inc. | 2,989 |  |   Datasheet | 4000B | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Binary Counter | Down | 1 | 4 | Asynchronous | Synchronous | 32 MHz | Positive, Negative | 4.5 V ~ 15.5 V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO | 
|   | N74F191D,623IC BINARY COUNTER 4-BIT 16SO NXP USA Inc. | 3,928 |  |   Datasheet | 74F | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Binary Counter | Up, Down | 1 | 4 | Asynchronous | Synchronous | 125 MHz | Positive Edge | 4.5 V ~ 5.5 V | 0°C ~ 70°C | - | - | Surface Mount | 16-SO | 
|   | N74F191N,602IC BINARY COUNTER 4-BIT 16DIP NXP USA Inc. | 1,673 |  |   Datasheet | 74F | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Binary Counter | Up, Down | 1 | 4 | Asynchronous | Synchronous | 125 MHz | Positive Edge | 4.5 V ~ 5.5 V | 0°C ~ 70°C | - | - | Through Hole | 16-DIP | 
|   | N74F193D,602IC BINARY COUNTER 4-BIT 16SO NXP USA Inc. | 3,581 |  |   Datasheet | 74F | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Binary Counter | Up, Down | 1 | 4 | Asynchronous | - | 125 MHz | Positive Edge | 4.5 V ~ 5.5 V | 0°C ~ 70°C | - | - | Surface Mount | 16-SO | 
|   | N74F193D,623IC BINARY COUNTER 4-BIT 16SO NXP USA Inc. | 3,888 |  |   Datasheet | 74F | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Binary Counter | Up, Down | 1 | 4 | Asynchronous | - | 125 MHz | Positive Edge | 4.5 V ~ 5.5 V | 0°C ~ 70°C | - | - | Surface Mount | 16-SO | 
|   | N74F193N,602IC BINARY COUNTER 4-BIT 16DIP NXP USA Inc. | 3,697 |  |   Datasheet | 74F | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Binary Counter | Up, Down | 1 | 4 | Asynchronous | - | 125 MHz | Positive Edge | 4.5 V ~ 5.5 V | 0°C ~ 70°C | - | - | Through Hole | 16-DIP |