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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) Balanced propagation delays: tpLH - tpHL 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
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IEC Logic Symbol
Truth Table
Inputs
OE
Output D X X L H Q Z Qn L H
LE X L H H
H L L L
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
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Absolute Maximum Ratings (Note 1)
Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current DC VCC/ground current Power dissipation Storage temperature Symbol VCC VIN VOUT IIK IOK IOUT ICC PD Tstg Rating -0.5~7 -0.5~VCC + 0.5 -0.5~VCC + 0.5 20 20 35 75 500 (DIP) (Note 2)/180 (SOP) -65~150 Unit V V V mA mA mA mA mW C
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 Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Symbol VCC VIN VOUT Topr tr, tf Rating 4.5~5.5 0~VCC 0~VCC -40~85 0~500 Unit V V V C 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 High-level input voltage Low-level input voltage High-level output voltage Low-level output voltage 3-state output off-state current Input leakage current Quiescent supply current Symbol VIH VIL VOH VOL IOZ IIN ICC IC Test Condition VCC (V) IOH = -20 A VIN = VIH or VIL I OH = -6 mA IOL = 20 A VIN = VIH or VIL I = 6 mA OL VIN = VIH or VIL VOUT = VCC or GND VIN = VCC or GND VIN = VCC or GND Per input: VIN = 0.5 V or 2.4 V Other input: VCC or GND 4.5~5.5 4.5~5.5 4.5 4.5 4.5 4.5 5.5 5.5 5.5 5.5 Min 2.0 4.4 4.18 Ta = 25C Typ. 4.5 4.31 0.0 0.17 Max 0.8 0.1 0.26 0.5 0.1 4.0 2.0 Ta = -40~85C Min 2.0 4.4 4.13 Max 0.8 0.1 0.33 5.0 1.0 40.0 2.9 Unit V V V V A A A mA
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Timing Requirements (input: tr = tf = 6 ns)
Characteristics Symbol Test Condition VCC (V) Minimum pulse width (LE) Minimum set-up time (data) Minimum hold time (data) tW (H) 4.5 5.5 4.5 5.5 4.5 5.5 Ta = 25C Typ. Limit 15 14 10 9 5 5 Ta = -40 ~85C Limit 19 17 13 11 5 5 ns Unit
ts
ns
th
ns
AC Characteristics (input: tr = tf = 6 ns)
Characteristics Symbol tTLH tTHL Test Condition CL (pF) VCC (V) 50 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 4.5 5.5 Min Ta = 25C Typ. 7 6 19 17 24 22 17 14 22 20 18 15 23 20 18 16 5 10 38 Max 12 11 29 26 37 34 26 23 34 31 27 24 35 32 24 22 10 Ta = -40~85C Min Max 15 14 36 33 46 43 33 29 43 39 34 30 44 40 30 28 10 ns pF pF pF ns ns ns Unit
Output transition time
ns
Propagation delay time (LE-Q)
tpLH tpHL
50 150
Propagation delay time (D-Q)
tpLH tpHL
50 150
Output enable time
tpZL tpZH
50 RL = 1 k 150
Output disable time Input capacitance Output capacitance Power dissipation capacitance
tpLZ tpHZ CIN COUT CPD (Note)
RL = 1 k
50
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
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Package Dimensions
Weight: 1.30 g (typ.)
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Package Dimensions
Weight: 0.22 g (typ.)
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RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN GENERAL
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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