TC74HCT573AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HCT573AP, TC74HCT573AF Octal D-Type Latch with 3-State Output The TC74HCT573A is a high speed CMOS OCTAL LATCH with 3-STATE OUTPUT fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. Its inputs are compatible with TTL, NMOS, and CMOS output voltage levels. Its 8-bit D-type latch is controlled by a latch enable input (LE) and an output enable input ( OE ). When the OE input is high, the eight outputs are in a high impedance state. All inputs are equipped with protection circuits against static discharge or transient excess voltage. TC74HCT573AP TC74HCT573AF Features * High speed: tpd = 18 ns (typ.) at VCC = 5 V * Low power dissipation: ICC = 4 A (max) at Ta = 25C * Compatible with TTL outputs: VIL = 0.8 V (max) VIH = 2.0 V (min) * Output drive capability: 15 LSTTL loads * * Symmetrical output impedance: |IOH| = IOL = 6 mA (min) tpHL Balanced propagation delays: tpLH - * Pin and function compatible with 74LS573 Weight DIP20-P-300-2.54A SOP20-P-300-1.27A : 1.30 g (typ.) : 0.22 g (typ.) Pin Assignment Start of commercial production 1988-11 1 2014-03-01 TC74HCT573AP/AF IEC Logic Symbol Truth Table Inputs Output OE LE D Q H X X Z L L X Qn L H L L L H H H X: Don't care Z: High impedance Qn: Q outputs are latched at the time when the LE input is taken to a low logic level. System Diagram 2 2014-03-01 TC74HCT573AP/AF Absolute Maximum Ratings (Note 1) Characteristics Supply voltage range Symbol Rating Unit VCC -0.5 to 7 V VIN -0.5 to VCC + 0.5 V VOUT -0.5 to VCC + 0.5 V Input diode current IIK 20 mA Output diode current IOK 20 mA DC output current IOUT 35 mA DC VCC/ground current ICC 75 mA Power dissipation PD 500 (DIP) (Note 2)/180 (SOP) mW Storage temperature Tstg -65 to 150 C DC input voltage DC output voltage Note 1: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even destruction. Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept and Methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: 500 mW in the range of Ta = -40 to 65C. From Ta = 65 to 85C a derating factor of -10 mW/C shall be applied until 300 mW. Operating Ranges (Note) Characteristics Symbol Rating Supply voltage VCC 4.5 to 5.5 V Input voltage VIN 0 to VCC V Output voltage Unit VOUT 0 to VCC V Operating temperature Topr -40 to 85 C Input rise and fall time tr, tf 0 to 500 ns Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Electrical Characteristics DC Characteristics Characteristics Symbol Ta = -40 to 85C Ta = 25C Test Condition VCC (V) Min Typ. Max Min Max Unit High-level input voltage VIH 4.5 to 5.5 2.0 2.0 V Low-level input voltage VIL 4.5 to 5.5 0.8 0.8 V High-level output voltage VOH VIN = VIH or VIL IOH = -20 A 4.5 4.4 4.5 4.4 IOH = -6 mA 4.5 4.18 4.31 4.13 Low-level output voltage VOL VIN = VIH or VIL IOL = 20 A 4.5 0.0 0.1 0.1 IOL = 6 mA 4.5 0.17 0.26 0.33 3-state output off-state current IOZ 5.5 0.5 5.0 A Input leakage current IIN VIN = VCC or GND 5.5 0.1 1.0 A ICC VIN = VCC or GND 5.5 4.0 40.0 A Per input: VIN = 0.5 V or 2.4 V Other input: VCC or GND 5.5 2.0 2.9 mA Quiescent supply current IC VIN = VIH or VIL VOUT = VCC or GND 3 V V 2014-03-01 TC74HCT573AP/AF Timing Requirements (input: tr = tf = 6 ns) Characteristics Symbol Minimum pulse width (LE) tW (H) ts th Minimum set-up time (data) Minimum hold time (data) Ta = -40 to 85C Ta = 25C Test Condition VCC (V) Typ. Limit Limit 4.5 15 19 5.5 14 17 4.5 10 13 5.5 9 11 4.5 5 5 5.5 5 5 Unit ns ns ns AC Characteristics (input: tr = tf = 6 ns) Characteristics Symbol CL (pF) VCC (V) Output transition time tTLH tTHL Propagation delay time tpLH (LE-Q) tpHL Propagation delay time tpLH (D-Q) tpHL Output enable time Output disable time Input capacitance Output capacitance Power dissipation capacitance Note: tpZL tpZH tpLZ tpHZ 50 50 150 50 150 50 RL = 1 k 150 RL = 1 k 50 Ta = -40 to 85C Ta = 25C Test Condition Min Typ. Max Min Max 4.5 7 12 15 5.5 6 11 14 4.5 19 29 36 5.5 17 26 33 4.5 24 37 46 5.5 22 34 43 4.5 17 26 33 5.5 14 23 29 4.5 22 34 43 5.5 20 31 39 4.5 18 27 34 5.5 15 24 30 4.5 23 35 44 5.5 20 32 40 4.5 18 24 30 5.5 16 22 28 Unit ns ns ns ns ns CIN 5 10 10 pF COUT 10 pF 38 pF CPD (Note) CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: ICC (opr) = CPDVCCfIN + ICC And the total CPD when n pcs. of latch operate can be gained by the following equation: CPD (total) = 25 + 13n 4 2014-03-01 TC74HCT573AP/AF Package Dimensions Weight: 1.30 g (typ.) 5 2014-03-01 TC74HCT573AP/AF Package Dimensions Weight: 0.22 g (typ.) 6 2014-03-01 TC74HCT573AP/AF RESTRICTIONS ON PRODUCT USE * Toshiba Corporation, and its subsidiaries and affiliates (collectively "TOSHIBA"), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively "Product") without notice. * This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with TOSHIBA's written permission, reproduction is permissible only if reproduction is without alteration/omission. * Though TOSHIBA works continually to improve Product's quality and reliability, Product can malfunction or fail. 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