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MM74HC573WM Datasheet(PDF) 1 Page - Fairchild Semiconductor |
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MM74HC573WM Datasheet(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 2005 Fairchild Semiconductor Corporation DS005212 www.fairchildsemi.com September 1983 Revised May 2005 MM74HC573 3-STATE Octal D-Type Latch General Description The MM74HC573 high speed octal D-type latches utilize advanced silicon-gate P-well CMOS technology. They pos- sess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ide- ally suited for interfacing with bus lines in a bus organized system. When the LATCH ENABLE(LE) input is HIGH, the Q out- puts will follow the D inputs. When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the out- puts until LATCH ENABLE returns HIGH again. When a HIGH logic level is applied to the OUTPUT CONTROL OC input, all outputs go to a HIGH impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. The 74HC logic family is speed, function and pinout com- patible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground. Features s Typical propagation delay: 18 ns s Wide operating voltage range: 2 to 6 volts s Low input current: 1 PA maximum s Low quiescent current: 80 PA maximum (74HC Series) s Compatible with bus-oriented systems s Output drive capability: 15 LS-TTL loads Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Top View Truth Table H HIGH Level L LOW Level Q0 Level of output before steady-state input conditions were established. Z High Impedance X Don't Care Order Number Package Number Package Description MM74HC573WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide MM74HC573SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide MM74HC573MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide MM74HC573N N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Output Latch Data Output Control Enable L HHH LH L L LL X Q0 HX X Z |
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