TC7MB3253FT/FK TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TC7MB3253FT, TC7MB3253FK Dual 1-of-4 FET Multiplexer/Demultiplexer The TC7MB3253 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 to 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. TC7MB3253FT TC7MBL3253FK Features • Operating voltage: VCC = 4.5 to 5.5 V • High speed: tpd = 0.25 ns (max) • Low on resistance: RON = 5 Ω (typ.) • ESD performance: Machine model ≥ ±200 V Human body model ≥ ±2000 V • Compatible with TTL outputs (control inputs) • Package: TSSOP16,VSSOP16 (US16) • Pin compatible with the 74xx253 type. Weight: TSSOP16-P-0044-0.65A VSSOP16-P-0030-0.50 : 0.06 g (typ.) : 0.02 g (typ.) Functionally equivalent to (FST/CBT) 3253. Pin Assignment (top view) 1OE 1 16 VCC S1 2 15 2OE 1B4 3 14 S0 1B3 4 13 2B4 1B2 5 12 2B3 1B1 6 11 2B2 1A 7 10 2B1 GND 8 9 2A (top view) 1 2008-09-01 TC7MB3253FT/FK Truth Table Inputs Function OE S1 S0 L L L A port = B1 port L L H A port = B2 port L H L A port = B3 port L H H A port = B4 port H X X Disconnect System Diagram 1A 7 6 5 4 3 2A 10 9 11 12 13 1B1 1B2 1B3 1B4 2B1 2B2 2B3 2B4 14 S0 2 S1 1 1OE 2OE 15 2 2008-09-01 TC7MB3253FT/FK Absolute Maximum Ratings (Note) Characteristics Symbol Rating Unit Power supply range VCC −0.5 to 7.0 V DC input voltage VIN −0.5 to 7.0 V DC switch voltage VS −0.5 to 7.0 V Input diode current IIK −50 mA Continuous channel current IS 128 mA Power dissipation PD 180 mW DC VCC/GND current ICC/IGND ±100 mA Storage temperature Tstg −65 to 150 °C 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 Symbol Rating Unit Supply voltage VCC 4.5 to 5.5 V Input voltage VIN 0 to 5.5 V Switch voltage VS 0 to 5.5 V Operating temperature Topr −40 to 85 °C Input rise and fall time dt/dv 0 to 10 ns/V 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. 3 2008-09-01 TC7MB3253FT/FK Electrical Characteristics DC Characteristics (Ta = −40 to 85°C) Characteristics Symbol Test Condition Min Typ. (Note 1) VCC (V) Input voltage Max Unit “H” level VIH ⎯ 4.5 to 5.5 2.0 ⎯ ⎯ “L” level VIL ⎯ 4.5 to 5.5 ⎯ ⎯ 0.8 4.5~5.5 ⎯ ⎯ ±1.0 μA 0 ⎯ ⎯ ±1.0 μA 4.5 to 5.5 ⎯ ⎯ ±1.0 μA IIS = 64 mA 4.5 ⎯ 5 7 IIS = 30 mA 4.5 ⎯ 5 7 Input leakage current IIN Power off leakage current IOFF Off-state leakage current (switch off) ISZ On resistance (Note 2) RON Quiescent supply current ICC Increase in ICC per input ΔICC VIN = 0 to 5.5 V A, B, OE = 0 to 5.5 V A, B = 0 to 5.5 V, OE = VCC VIS = 0 V V Ω VIS = 2.4 V, IIS = 15 mA 4.5 ⎯ 10 15 VIN = VCC or GND, IOUT = 0 5.5 ⎯ ⎯ 10 μA VIN = 3.4 V (one input) 5.5 ⎯ ⎯ 2.5 mA Note 1: Typical values are at VCC = 5 V, Ta = 25°C. 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 to 85°C) Characteristics Min Max Unit 4.5 ⎯ 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 Symbol Test Condition VCC (V) Propagation delay time tpLH (bus to bus) tpHL Propagation delay time tpLH (S to bus) tpHL Output enable time tpZL ( OE to bus) tpZH Output enable time tpZL (S to bus) tpZH Output disable time tpLZ ( OE to bus) tpHZ Output disable time tpLZ (S to bus) tpHZ Figure 1, Figure 2 (Note) 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 = 25°C) Characteristics Symbol Test Condition Typ. Unit VCC (V) Control pin input capacitance ( OE , S) CIN Switch terminal capacitance (B) CI/O Switch terminal capacitance (A) CI/O (Note) 5.0 3 pF OE = VCC (Note) 5.0 10 pF OE = VCC (Note) 5.0 31 pF Note: This parameter is guaranteed by design. 4 2008-09-01 TC7MB3253FT/FK AC Test Circuit RL Switch Open 7.0 V GND Measure RL CL Output CL = 50 pF RL = 500 Ω Parameter Switch tpLH, tpHL Open tpLZ, tpZL 7.0 V tpHZ, tpZH Open Figure 1 AC Waveform tf 2.5 ns tr 2.5 ns 3.0 V 90% 1.5 V Input 10% GND VOH Output 1.5 V tpLH, tpHL VOL tpHL, tPLH Figure 2 tpLH, tpHL tf 2.5 ns tr 2.5 ns 3.0 V 90% 1.5 V Output Enable ( OE , S) 10% tpLZ GND tpZL 3.0 V Output (A, B) Low to Off to Low 1.5 V tpHZ VOL + 0.3 V VOL tpZH VOH VOH − 0.3 V Output (A, B) High to Off to High 1.5 V GND Outputs enabled Outputs disabled Outputs enabled Figure 3 tpLZ, tpHZ, tpZL, tpZH 5 2008-09-01 TC7MB3253FT/FK Package Dimensions Weight: 0.06 g (typ.) 6 2008-09-01 TC7MB3253FT/FK Package Dimensions Weight: 0.02 g (typ.) 7 2008-09-01 TC7MB3253FT/FK 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. 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