
SN74ALS29821DW
Active10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
Deep-Dive with AI
Search across all available documentation for this part.

SN74ALS29821DW
Active10-BIT BUS INTERFACE FLIP-FLOPS WITH 3-STATE OUTPUTS
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | SN74ALS29821DW |
|---|---|
| Current - Output High, Low [custom] | 24 mA |
| Current - Output High, Low [custom] | 48 mA |
| Current - Quiescent (Iq) | 115 mA |
| Function | Standard |
| Max Propagation Delay @ V, Max CL | 16 ns |
| Mounting Type | Surface Mount |
| Number of Bits per Element [custom] | 10 |
| Number of Elements | 1 |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Output Type | Non-Inverted, Tri-State |
| Package / Case | 24-SOIC |
| Package / Case [custom] | 7.5 mm |
| Package / Case [custom] | 0.295 in |
| Supplier Device Package | 24-SOIC |
| Trigger Type | Positive Edge |
| Type | D-Type |
| Voltage - Supply [Max] | 5.25 V |
| Voltage - Supply [Min] | 4.75 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | N/A | 0 | $ 6.13 | |
| 18980 | $ 6.13 | |||
| Tube | 175 | $ 5.68 | ||
| Texas Instruments | TUBE | 1 | $ 6.68 | |
| 100 | $ 5.45 | |||
| 250 | $ 4.28 | |||
| 1000 | $ 3.63 | |||
Description
General part information
74ALS29821 Series
These 10-bit edge-triggered D-type flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. These devices are particularly suitable for implementing wider buffer registers, I/O ports, bidirectional bus drivers with parity, and working registers.
On the positive transition of the clock (CLK) input, the Q outputs are true to the data (D) input.
A buffered output-enable () input can place the ten outputs in either a normal logic state (high or low logic levels) or a high-impedance state. The outputs also are in the high-impedance state during power-up and power-down conditions. The outputs remain in the high-impedance state while the device is powered down. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components.
Documents
Technical documentation and resources