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TC7MET139AFK
TOSHIBA CMOS Didital Integrated Circuit Silicon Monolithic
TC7MET139AFK
Dual 2-to-4 Line Decoder
The TC7MET139AFK is an advanced high speed CMOS 2 to 4 line decoder/demultiplexer fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent bipolar schottky TTL while maintaining the CMOS low power dissipation. The active low enable input can be used for gating or it can be used as a data input for demultiplexing applications. When the enable input is held High, all four outputs are fixed at a high logic level independent of the other inputs. The input voltage are compatible with TTL output voltage. This device may be used as a level converter for interfacing 3.3 Weight: 0.02 g (typ.) V to 5 V system. Input protection and output circuit ensure that 0 to 5.5 V can be applied to the input and output (Note) pins without regard to the supply voltage. These structure prevents device destruction due to mismatched supply and input/output voltages such as battery back up, hot board insertion, etc. Note: VCC = 0 V
Features
* * * * * * * High speed: tpd = 5.0 ns (typ.) (VCC = 5 V) Low power dissipation: ICC = 4 A (max) (Ta = 25C) Compatible with TTL outputs: VIL = 0.8 V (max) VIH = 2.0 V (min) Power down protection is provided on all inputs and outputs. Balanced propagation delays: tpLH tpHL Low noise: VOLP = 0.8 V (max) Pin and function compatible with the 74 series (74AC/HC/F/ALS/LS etc.) 139 type.
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TC7MET139AFK
Pin Assignment (top view)
1G
1A 1B
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
VCC 2G 2A 2B 2Y0 2Y1 2Y 2 2Y3
1Y0
1Y1 1Y 2
1Y3
GND
IEC Logic Symbol
X/Y 1 2 EN Dmux 0 G 3
1A 1B
(2) (3) (1)
0 1 2 3
(4) (5) (6) (7) (12) (11) (10) (9)
1G
2A 2B
(14) (13) (15)
1Y 0 1Y1 1Y 2 1Y 3 2Y0
2 Y1 2Y2
1A 1B
(2) (3) (1)
0 1
0 1 2 3
(4) (5) (6) (7) (12) (11) (10) (9)
1Y 0
1Y1 1Y 2
1G
2A 2B
(14) (13) (15)
2G
2Y3
2G
1Y 3 2Y0 2 Y1 2Y2 2Y3
Truth Table
Inputs Enable Select Outputs
G
H L L L L
B
X L L H H
A
X L H L H
Y0
H L H H H
Y1 H H L H H
Y2 H H H L H
Y3
H H H H L
Selected Output
None
Y0
Y1 Y2 Y3
X: Don't care
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TC7MET139AFK
System Diagram
4/12
Y0
A
2/14
5/11
Y1
B
3/13
6/10
Y2
G
1/15
7/9
Y3
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 -0.5~7.0 -0.5~7.0 -0.5~VCC + 0.5 -20 20 25 50
Unit V V (Note 2) (Note 3) V mA (Note 4) mA mA mA mW C
180
-65~150
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: VCC = 0 V Note 3: High or low state. 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 4.5~5.5 0~5.5 0~5.5 0~VCC
-40~85
Unit V V (Note 2) (Note 3) V C ns/V
0~20
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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TC7MET139AFK
Electrical Characteristics DC Characteristics
Characteristics High level Low level High level Output voltage Low level Input leakage current VOL IIN ICC Quiescent supply current ICCT IOPD Symbol VIH VIL VOH Test Condition

Ta = 25C VCC (V) 4.5~5.5 4.5~5.5 4.5 4.5 4.5 4.5 0~5.5 5.5 5.5 0 Min 2.0
Ta = -40~85C Max
Typ.

Min 2.0
Max
Unit
Input voltage
0.8

0.8

V
VIN = VIH IOH = -50 A or VIL IOH = -8 mA VIN = VIH IOL = 50 A or VIL IOL = 8 mA VIN = 5.5 V or GND VIN = VCC or GND Per input: VIN = 3.4 V Other input: VCC or GND VOUT = 5.5 V
4.4 3.94

4.5
4.4 3.80

0

0.1 0.36
0.1
0.1 0.44
1.0
V
A A
4.0 1.35 0.5
40.0 1.50 5.0
mA
A
Output leakage current
AC Characteristics (Input: tr = tf = 3 ns)
Characteristics Propagation delay time (A, B- Y ) Propagation delay time (G -Y ) Input capacitance Power dissipation capacitance Symbol tpLH tpHL tpLH tpHL CIN CPD Test Condition Ta = 25C VCC (V) CL (pF) 5.0 0.5 15 50 15 50 Min

Ta = -40~85C Max 7.2 9.2 7.2 9.2 10
Typ. 5.0 6.5 5.0 6.5 4 32
Min 1.0 1.0 1.0 1.0

Max 8.5 10.5 8.5 10.5 10
Unit
ns
5.0 0.5
ns pF pF
(Note)
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/2 (per decoder)
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TC7MET139AFK
Package Dimensions
Weight: 0.02 g (typ.)
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TC7MET139AFK
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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