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| Part Number | SN74ALVCH16821DL | SN74ALVCH16823DL | SN74ALVTH16821DL | SN74ALVCH16821DLR | SN74ALVCH16721DL | SN74ALVCH16820DL |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Discontinued at Digi-Key | Active | Obsolete |
| Function | Standard | Master Reset | Standard | Standard | Standard | Standard |
| Type | D-Type | D-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 | Tri-State, Non-Inverted | Tri-State, Non-Inverted |
| Number of Elements | 2 | 2 | 2 | 2 | 1 | 1 |
| Number of Bits per Element | 10 | 9 | 10 | 10 | 20 | 10 |
| Clock Frequency | 150 MHz | 150 MHz | 150 MHz | 150 MHz | 150 MHz | 150 MHz |
| Max Propagation Delay @ V, Max CL | 4.5ns @ 3.3V, 50pF | 4.5ns @ 3.3V, 30pF | 3.5ns @ 3.3V, 50pF | 4.5ns @ 3.3V, 50pF | 4.3ns @ 3.3V, 50pF | 4.8ns @ 3.3V, 50pF |
| Trigger Type | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge | Positive Edge |
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 8mA, 24mA; 32mA, 64mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA |
| Voltage - Supply | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 2.3V ~ 2.7V, 3V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V | 1.65V ~ 3.6V |
| Current - Quiescent (Iq) | 40 µA | 40 µA | 100 µA | 40 µA | 40 µA | 40 µA |
| Input Capacitance | 3.5 pF | 4.5 pF | 3.5 pF | 3.5 pF | 3.5 pF | 3.5 pF |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -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 | Surface Mount | Surface Mount |
| Supplier Device Package | 56-SSOP | 56-SSOP | 56-SSOP | 56-SSOP | 56-SSOP | 56-SSOP |
| Package / Case | 56-BSSOP (0.295", 7.50mm Width) | 56-BSSOP (0.295", 7.50mm Width) | 56-BSSOP (0.295", 7.50mm Width) | 56-BSSOP (0.295", 7.50mm Width) | 56-BSSOP (0.295", 7.50mm Width) | 56-BSSOP (0.295", 7.50mm Width) |
