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TC7MP85400FT
TC7MP85400FT
Octal Bus Buffer with Output Series Resistor
The TC7MP85400 is an advanced high-speed CMOS octal bus buffer fabricated with silicon-gate CMOS technology. It achieves high-speed operation similar to the equivalent bipolar Schottky TTL while maintaining the CMOS low power dissipation. The inputs are compatible with TTL voltage levels, so the TC7MP85400 can be used as a level converter for interfacing 3.3-V systems to 5-V systems. The TC7MP85400 is an inverting bus buffer. The outputs have 47- (typ.) resistors connected in series, which can reduce reflection noise without using external resistors. Weight: 0.08 g (typ.) Input and output protection circuits ensure that 0 to 5.5V can be applied to the input and output*1 pins without regard to the supply voltage. Since power-down protection is provided on both inputs and outputs, the TC7MP85400 can be used in a wide range of applications, such as interfacing between two different voltage systems, backup battery systems and so on.
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
Features
* * * * * Outputs have 47- (typ.) resistors connected in series. High speed: tpd = 4.5 ns (typ.) at VCC = 5 V TTL-level inputs: VIL = 0.8 V (max) VIH = 2.0 V (max) Power-down protection is provided on all inputs. Low noise: VOLP = 0.35 V (typ)
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TC7MP85400FT
Pin Assignment
TC7MP85400FT N.C A1 A2 A3 A4 A5 A6 A7 A8 1 2 3 4 5 6 7 8 9 20 19 18 17 16 15 14 13 12 11 (top view) VCC N.C Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8
GND 10
Truth Table
Inputs An L H Outputs Yn H L
Circuit Schematic (1/8 Package)
Rout A1 - A8 Y1 - Y8
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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 to 7.0 -0.5 to 7.0 -0.5 to 7.0 -0.5 to VCC + 0.5 -20 20 25 75 180 -65 to 150 (Note 4) (Note 2) (Note 3) Unit V V V mA mA mA mA mW C
Note 1: Exceeding any of the absolute maximum ratings, even briefly, may 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: VCC = 0 V Note 3: High or Low stats. IOUT absolute maximum rating must be observed. Note 4: VOUT < GND, VOUT > VCC
Operating Ranges (Note 1)
Characteristics Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Symbol VCC VIN VOUT Topr dt/dv Rating 4.5 to 5.5 0 to 5.5 0 to 5.5 0 to VCC -40 to 85 0 to 20 (Note 2) (Note 3) Unit V V V V C ns/V
Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC or GND. Note 2: VCC = 0 V Note 3: High or low state
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Electrical Characteristics
DC Characteristics
Characteristics High level Low level High level Output voltage Low level Input leakage current Quiescent supply current Output leakage current VOL IIN ICCL ICCT IOPD Symbol VIH VIL VOH VIN = VIH or VIL VIN = VIH or VIL VIN = GND VIN = GND Per input: VIN = 3.4 V Other input: GND VOUT = 5.5 V Test Condition VCC (V) Input voltage IOH = -50 A IOH = -4 mA IOL = 50 A IOL = 4 mA 4.5 to 5.5 4.5 to 5.5 4.5 4.5 4.5 4.5 0 to 5.5 5.5 5.5 0 Min 2.0 4.4 3.94 Ta = 25C Typ. 4.5 0.0 Max 0.8 0.1 0.36 0.1 4.0 1.35 0.5 Ta = -40 to 85C Min 2.0 4.4 3.8 Max 0.8 0.1 0.44 1.0 40.0 1.5 5.0 A A mA A V V Unit
AC Characteristics (input: tr = tf = 3 ns)
Characteristics Symbol tpLH tpHL tosLH tosHL CPD Test Condition VCC (V) Propagation delay time Output to output skew Power dissipation capacitance 5.0 0.5 CL (pF) 15 50 50 (Note 2) Min Ta = 25C Typ. 4.5 6.5 19 Max 6.0 8.5 1.0 Ta = -40 to 85C Min 1.0 1.0 Max 7.0 10.0 1.0 ns Unit
(Note 1)
5.0 0.5
ns pF
Note 1: Parameter guaranteed by design. tosLH = |tpLHm - tpLHn|, tosHL = |tpHLm - tpHLn| Note 2: 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) = CPD*VCC*fIN + ICC/8 (per bit)
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Noise Characteristics (input: tr = tf = 3 ns)
Characteristics Quiet output maximum dynamic VOL Quiet output minimum dynamic VOL Minimum high level dynamic input voltage Maximum low level dynamic input voltage Symbol VOLP VOLV VIHD VILD CL = 50 pF CL = 50 pF CL = 50 pF CL = 50 pF Test Condition VCC (V) 5.0 5.0 5.0 5.0 Ta = 25C Typ. 0.35 -0.35 Limit 2.0 0.8 Unit V V V V
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Package Dimensions
Weight: 0.08 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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