These octal D-type edge-triggered flip-flops feature 3-state outputs designed specifically for bus driving. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
The eight flip-flops enter data on the low-to-high transition of the clock (CLK) input. The SN74ALS575A, SN54AS575, and SN74AS575 may be synchronously cleared by taking the clear () input low.
The output-enable () input does not affect internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
The SN54ALS574B, SN54AS574, and SN54AS575 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS574B, SN74ALS575A, SN74AS574, and SN74AS575 are characterized for operation from 0°C to 70°C.
|Part number||Order||Technology Family||Input type||Output type||VCC (Min) (V)||VCC (Max) (V)||Channels (#)||Clock Frequency (Max) (MHz)||ICC (uA)||IOL (Max) (mA)||IOH (Max) (mA)||Features||Rating||Package Group|
||AS||Bipolar||3-State||4.5||5.5||8||100||142000||48||-15||Very high speed (tpd 5-10ns)||Catalog||
PDIP | 20
SOIC | 20
|SN54AS574||Samples not available||AS||Bipolar||3-State||4.5||5.5||8||100||142000||48||-15||Very high speed (tpd 5-10ns)||Military||CDIP | 20|