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The 'AHC573 devices are octal transparent D-type latches designed for 2-V to 5.5-V VCC operation.
When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the Q outputs are latched at the logic levels of the D inputs.
SN74AHC573 Maximum Ratings
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V Input voltage range, VI (see Note 1) .. . . . . . . . . . . . . . . . −0.5 V to 7 V Output voltage range, VO (see Note 1) . . . . . . . . −0.5 V to VCC + 0.5 V Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . −20 mA Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . ±20 mA Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . ±25 mA Continuous current through VCC or GND. . . . . . . . . . . . . . . . . . ±75 mA Package thermal impedance, JA (see Note 2): DB package . . 70°C/W DGV package. . 92°C/W DW package . . 58°C/W N package. . . . 69°C/W NS package. . . 60°C/W PW package . . 83°C/W Storage temperature range, Tstg . .. . . . . . . . . . . . . −65°C to 150°C
SN74AHC573 Features
Operating Range 2-V to 5.5-V VCC 3-State Outputs Directly Drive Bus Lines Latch-Up Performance Exceeds 250 mA Per JESD 17
SN74AHC573 Typical Application
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