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TC7MB3253FK
TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC
TC7MB3253FK
Dual 1-of-4 FET Multiplexer/Demultiplexer
The TC7MB3253FK is high-speed CMOS dual 1-4 Multiplexer/Demultiplexer. The low on resistance of the switch allows connections to be made with minimal propagation delay time. This device consists of two individual two-inputs multiplexer/demultiplexer with common select inputs (S1, S0). The A inputs is connected to the corresponded B1~B4 outputs determined by the combination both the select inputs (S1, S0) and output enable (OE). When the output enable (OE) input is held "H" level, the switches are open with regardless the state of select inputs and a high-impedance state exists between the switches. All inputs are equipped with protection circuits against static discharge.
Weight: 0.02 g (typ.)
Features
* * * * * * * Operating voltage: VCC = 4.5~5.5 V High speed: tpd = 0.25 ns (max) Low on resistance: RON = 5 (typ.) ESD performance: Machine model 200 V Human body model 2000 V Compatible with TTL outputs (control inputs) Package: VSSOP (US16) Pin compatible with the 74xx253 type. Functionally equivalent to (FST/CBT) 3253.
Pin Assignment (top view)
1OE S1 1B4 1B3 1B2 1B1 1A GND
1 2 3 4 5 6 7 8 (top view)
16 15 14 13
VCC
2OE
S0 2B4
12 11 10 9
2B3 2B2 2B1 2A
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Truth Table
Inputs
OE
L L L L H
S1 L L H H X
S0 L H L H X
Function A port = B1 port A port = B2 port A port = B3 port A port = B4 port Disconnect
System Diagram
7 6
1A
1B1
5
1B2
4
1B3
3
1B4
2A
9
10
2B1
11
2B2
12
2B3
13
2B4
S0 S1
1OE 2OE
14 2 1 15
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Absolute Maximum Ratings (Note)
Characteristics Power supply range DC input voltage DC switch voltage Input diode current Continuous channel current Power dissipation DC VCC/GND current Storage temperature Symbol VCC VIN VS IIK IS PD ICC/IGND Tstg Rating
-0.5~7.0 -0.5~7.0 -0.5~7.0 -50
Unit V V V mA mA mW mA C
128 180
100 -65~150
Note: 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).
Operating Ranges (Note)
Characteristics Supply voltage Input voltage Switch voltage Operating temperature Input rise and fall time Symbol VCC VIN VS Topr dt/dv Rating 4.5~5.5 0~5.5 0~5.5
-40~85
Unit V V V C ns/V
0~10
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.
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Electrical Characteristics DC Characteristics (Ta = -40~85C)
Characteristics "H" level "L" level Symbol VIH VIL IIN IOFF ISZ VIN = 0~5.5 V A, B, OE = 0~5.5 V A, B = 0~5.5 V, OE = VCC VIS = 0 V VIS = 2.4 V, IIS = 15 mA Increase in ICC per input ICC
ICC
Test Condition

VCC (V) 4.5~5.5 4.5~5.5 4.5~5.5 0 4.5~5.5 4.5 4.5 4.5 5.5 5.5
Min 2.0

Typ. (Note 1)

Max
Unit
Input voltage
0.8
1.0 1.0 1.0
V
A A A
Input leakage current Power off leakage current Off-state leakage current (switch off)
IIS = 64 mA IIS = 30 mA
5 5 10

7 7 15 10 2.5
A
On resistance
(Note 2)
RON
VIN = VCC or GND, IOUT = 0 VIN = 3.4 V (one input)
mA
Note 1: Typical values are at VCC = 5 V, Ta = 25C. Note 2: Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on the two (A or B) pins.
AC Characteristics (Ta = -40~85C)
Characteristics Propagation delay time (bus to bus) Propagation delay time (S to bus) Output enable time ( OE to bus) Output enable time (S to bus) Output disable time ( OE to bus) Output disable time (S to bus) Symbol tpLH tpHL tpLH tpHL tpZL tpZH tpZL tpZH tpLZ tpHZ tpLZ tpHZ Test Condition VCC (V) (Note) 4.5 Min Max Unit
Figure 1, Figure 2
0.25
ns
Figure 1, Figure 2
4.5
5.3
ns
Figure 1, Figure 3
4.5
5.3
ns
Figure 1, Figure 3
4.5
5.3
ns
Figure 1, Figure 3
4.5
5.3
ns
Figure 1, Figure 3
4.5
5.3
ns
Note: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical on resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitive Characteristics (Ta = 25C)
Characteristics Control pin input capacitance ( OE , S) Switch terminal capacitance (B1~4) Switch terminal capacitance (A) Symbol CIN CI/O CI/O OE = VCC OE = VCC Test Condition (Note) (Note) (Note) Typ. 3 10 31 Unit pF pF pF
VCC (V) 5.0 5.0 5.0
Note: This parameter is guaranteed by design.
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AC Test Circuit
Open 7.0 V GND Measure CL = 50 pF RL = 500
CL RL
Switch
RL
Parameter tpLH, tpHL tpLZ, tpZL tpHZ, tpZH
Switch Open 7.0 V Open
Output
Figure 1 AC Waveform
tr 2.5 ns Input tf 2.5 ns 90% 1.5 V 10% 3.0 V GND VOH Output tpLH, tpHL 1.5 V tpHL, tPLH VOL
Figure 2 tpLH, tpHL
tr 2.5 ns Output Enable ( OE , S) tpLZ Output (A, B) Low to Off to Low tpHZ Output (A, B) High to Off to High Outputs enabled
tf 2.5 ns 90% 1.5 V 10% tpZL 3.0 V 1.5 V VOL + 0.3 V VOH - 0.3 V tpZH VOL VOH 1.5 V GND Outputs disabled Outputs enabled 3.0 V GND
Figure 3 tpLZ, tpHZ, tpZL, tpZH
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Package Dimensions
Weight: 0.02 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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