CMOS Digital Integrated Circuits Silicon Monolithic 1. Functional Description 3-to-8 Line Decoder 2. General The is a high speed CMOS 3-to-8 DECODER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. When the device is enabled, 3 Binary Select inputs (A, B and C) determine which one of the outputs (Y0 - Y7) will go low. When enable input G1 is held low or either G2A or G2B is held high, decoding function is inhibited and all outputs go high. G1, G2A, and G2B inputs are provided to ease cascade connection and for use as an address decoder for memory systems. All inputs are equipped with protection circuits agait static discharge or traient excess voltage. 3. Features (1) High speed: t pd = 16 (typ.) at CC = 5 (2) Low power dissipation: I CC = 4.0 (max) at T a = 25 (3) Balanced propagation delays: t PLH t PHL (4) Wide operating voltage range: CC(opr) = to 4. Packaging SOIC16 1 Start of commercial production 2016-03
5. Pin Assignment 6. Marking 7. IEC Logic 2
8. Truth Table X: Don't care 9. Logic Diagram 3
10. Absolute imum Ratings (Note) Note Rating Supply voltage Input voltage Output voltage Input diode current Output diode current Output current CC /ground current Power dissipation Storage temperature CC IN OUT I IK I OK I OUT I CC P D T stg (Note 1) -0.5 to 7.0-0.5 to CC + 0.5-0.5 to CC + 0.5 ±20 ±20 ±25 ±50 500-65 to 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 conditio (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 Precautio / Derating Concept and Methods ) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 1: P D derates linearly with -8 mw/ above 85 11. Operating Ranges (Note) ma mw Rating Supply voltage Input voltage Output voltage Operating temperature Input rise and fall times Note: CC IN OUT T opr t r,t f to 0 to CC 0 to CC -40 to 125 0 to 50 The operating ranges are required to eure the normal operation of the device. Unused inputs must be tied to either CC or GND. µs 4
12. Electrical 12.1. DC (Unless otherwise specified, T a = 25 ) CC () Typ. High-level input voltage IH 1.50 3.15 4.20 Low-level input voltage IL 0.50 1.35 1.80 High-level output voltage OH IN = IH or IL I OH = -20 1.9 4.4 5.9 I OH = -4 ma 4.18 4.31 I OH = -5.2 ma 5.68 5.80 Low-level output voltage OL IN = IH or IL I OL = 20 0.0 0.0 0.0 I OL = 4 ma 7 0.26 I OL = 5.2 ma 8 0.26 Input leakage current I IN IN = CC or GND ± Quiescent supply current I CC IN = CC or GND 4.0 12.2. DC (Unless otherwise specified, T a = -40 to 85 ) CC () High-level input voltage IH 1.50 3.15 4.20 Low-level input voltage IL 0.50 1.35 1.80 High-level output voltage OH IN = IH or IL I OH = -20 1.9 4.4 5.9 I OH = -4 ma 4.13 I OH = -5.2 ma 5.63 Low-level output voltage OL IN = IH or IL I OL = 20 I OL = 4 ma 0.33 I OL = 5.2 ma 0.33 Input leakage current I IN IN = CC or GND ±1.0 Quiescent supply current I CC IN = CC or GND 40.0 5
12.3. DC (Unless otherwise specified, T a = -40 to 125 ) CC () High-level input voltage IH 1.50 3.15 4.20 Low-level input voltage IL 0.50 1.35 1.80 High-level output voltage OH IN = IH or IL I OH = -20 1.9 4.4 5.9 I OH = -4 ma 3.7 I OH = -5.2 ma 5.2 Low-level output voltage OL IN = IH or IL I OL = 20 I OL = 4 ma 0.4 I OL = 5.2 ma 0.4 Input leakage current I IN IN = CC or GND ±1.0 Quiescent supply current I CC IN = CC or GND 160.0 12.4. AC (Unless otherwise specified, C L = 15 pf, CC = 5, T a = 25,, Input: t r = t f = 6 ) Typ. Output traition time t TLH,t THL 4 8 Propagation delay time (A, B, C - Y) 16 26 Propagation delay time (G, G - Y) 15 25 12.5. AC (Unless otherwise specified, C L = 50pF, T a = 25,, Input: t r = t f = 6 ) Note CC () Typ. Output traition time Propagation delay time (A, B, C - Y) Propagation delay time (G, G - Y) Input capacitance Power dissipation capacitance t TLH,t THL C IN C PD (Note 1) Note 1: C PD is defined as the value of the internal equivalent capacitance which is calculated from the operating current coumption without load. Average operating current can be obtained by the equation. I CC(opr) = C PD CC f IN + I CC 30 8 7 70 19 16 65 18 15 3 23 75 15 13 150 30 26 145 29 25 pf pf 6
12.6. AC (Unless otherwise specified, C L = 50 pf, T a = -40 to 85,, Input: t r = t f = 6 ) CC () Output traition time t TLH,t THL 95 19 16 Propagation delay time (A, B, C -Y) 190 38 32 Propagation delay time (G, G -Y) 180 36 31 12.7. AC (Unless otherwise specified, C L = 50 pf, T a = -40 to 125,, Input: t r = t f = 6 ) CC () Output traition time t TLH,t THL 110 22 19 Propagation delay time (A, B, C - Y) 225 45 38 Propagation delay time (G, G - Y) 225 45 38 7
Package Dimeio : mm Weight: 5 g (typ.) Package Name(s) Nickname: SOIC16 8
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