Description
www.DataSheet4U.com 74AC521 * 74ACT521 8-Bit Identity Comparator November 1988 Revised March 2005 74AC521 * 74ACT521 8-Bit Identity.
The AC/ACT521 is an expandable 8-bit comparator.
Features
* s ICC reduced by 50% s Compares two 8-bit words in 6.5 ns typ s Expandable to any word length s 20-pin package s Outputs source/sink 24 mA s ACT521 has TTL-compatible inputs
Ordering Code:
Order Number 74AC521SC 74AC521SJ 74AC521MTC 74AC521PC 74ACT521SC 74ACT521SJ 74ACT521MTC 74ACT521PC Package Num
Applications
* Ripple Expansion
Parallel Expansion
www. fairchildsemi. com
2
74AC521
* 74ACT521
Absolute Maximum Ratings(Note 2)
Supply Voltage (VCC) DC Input Diode Current (IIK) VI 2 0.5V VI 2 VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO 2 0.5V VO 2 VCC 0.5V DC Output Voltage (