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| Part Number | 74VCX16721MTDX | 74VCX16821MTDX | 74VCX16722MTDX | 74VCX16721MTD |
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Function | Standard | Standard | Standard | Standard |
| Type | D-Type | D-Type | D-Type | D-Type |
| Output Type | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted | Tri-State, Non-Inverted |
| Number of Elements | 1 | 2 | 1 | 1 |
| Number of Bits per Element | 20 | 10 | 22 | 20 |
| Clock Frequency | 250 MHz | 250 MHz | 250 MHz | 250 MHz |
| Max Propagation Delay @ V, Max CL | 3.5ns @ 3.3V, 30pF | 3.5ns @ 3.3V, 30pF | 3.6ns @ 3.3V, 30pF | 3.5ns @ 3.3V, 30pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.4V ~ 3.6V | 1.4V ~ 3.6V | 1.2V ~ 3.6V | 1.4V ~ 3.6V |
| Current - Quiescent (Iq) | 20 µA | 20 µA | 20 µA | 20 µA |
| Input Capacitance | 6 pF | 6 pF | 3.5 pF | 6 pF |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 56-TSSOP | 56-TSSOP | 64-TSSOP | 56-TSSOP |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) | 64-TFSOP (0.240", 6.10mm Width) | 56-TFSOP (0.240", 6.10mm Width) |
