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Q
QSFCT521T, 2521T
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Identity SCwomitcphaersator
QS54/74QFCST3532813T QS54/74QFCS3T22358231T
FEATURES/BENEFITS
• Pin and function compatible to the 74F521, 74FCT521, and 74ALS521
• CMOS power levels: <7.5 mW static • Available in DIP, SOIC, QSOP, ZIP, HQSOP • Undershoot clamp diodes on all inputs
• TTL-compatible input and output levels • Ground bounce controlled outputs • Reduced output swing of 0-3.5V • Military product compliant to MIL-STD-883
FCT-T 521T
FCT-T 2521T
• JEDEC-FCT spec compatible • Fastest CMOS logic family available • Standard thru D speed grades; 3.9 ns tPD for D • IOL = 48 mA Com., 32 mA Mil.
DESCRIPTION
• Built-in 25Ω series resistor outputs reduce reflection and other system noise
• Standard thru D speed grades; 3.