| Part Numbers | Manufacturer Name | Datasheet | Number of Bits | Output | Output Function | Voltage - Supply | Current - Output High, Low | Max Propagation Delay @ V, Max CL | Current - Quiescent | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CD74HCT688E | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 4mA, 4mA | 34ns @ 4.5V, 50pF | 8?A | -55?C ~ 125?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| SN74F521N | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| CD74HCT688M | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 4mA, 4mA | 34ns @ 4.5V, 50pF | 8?A | -55?C ~ 125?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74F521DWR | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74F521DW | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 1mA, 20mA | 10ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74ALS688N | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Through Hole | 20-DIP (0.300", 7.62mm) | |
| CD74HCT688M96 | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 4mA, 4mA | 34ns @ 4.5V, 50pF | 8?A | -55?C ~ 125?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74ALS521NSR | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.209", 5.30mm Width) | |
| SN74ALS688DWR | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.295", 7.50mm Width) | |
| SN74ALS688NSR | TEXAS INSTRUMENTS INC | 8 | Active Low | A=B | 4.5 V ~ 5.5 V | 2.6mA, 24mA | 20ns @ 5V, 50pF | - | 0?C ~ 70?C | Surface Mount | 20-SOIC (0.209", 5.30mm Width) |
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