| Part Number | 74LS399 Datasheet |
|---|---|
| Manufacturer | Motorola Semiconductor |
| Overview |
The SN54 / 74LS398 and SN54 / 74LS399 are high-speed Quad 2-Port Registers. They select four bits of data from two sources (Ports) under the control of a common Select Input (S). The selected data is .
both Q and Q inputs, while the SN54 / 74LS399 has only Q outputs.
* Select From Two Data Sources * Fully Positive Edge-Triggered Operation * Both True and Complemented Outputs on SN54 / 74LS398 * Input Clamp Diodes Limit High-Speed Termination Effects CONNECTION DIAGRAM DIP (TOP VIEW) VCC Qd Qd Iod . |
74LS399 Datasheet and Specifications PDF
The 74LS399 is a QUAD 2-PORT REGISTER.
| Part Number | 74LS399 Datasheet |
|---|---|
| Description | QUADRUPLE 2-INPUT MULTIPLEXER |
| Manufacturer | Texas Instruments |
| Overview | SN54LS399, SN74LS399 QUADRUPLE 2-INPUT MULTIPLEXERS WITH STORAGE SDLS174 – OCTOBER 1976 – REVISED MARCH 1988 PRODUCTION DATA information is current as of publication date. Products conform to specifi. DIP CDIP PDIP J 16 1 Non-RoHS & Green J 16 1 Non-RoHS & Green J 16 1 Non-RoHS & Green N 16 25 RoHS & Green Lead finish/ Ball material (6) SNPB SNPB SNPB NIPDAU MSL Peak Temp Op Temp (°C) (3) N / A for Pkg Type -55 to 125 N / A for Pkg Type -55 to 125 N / A for Pkg Type -55 to 1. |