TC74LCX273F/FT/FK TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74LCX273F,TC74LCX273FT,TC74LCX273FK Low-Voltage Octal D-Type Flip-Flop with Clear with 5-V Tolerant Inputs and Outputs The TC74LCX273 is a high-performance CMOS octal D-type flip-flop. Designed for use in 3.3-V systems, it achieves high-speed operation while maintaining the CMOS low-power dissipation. The device is designed for low-voltage (3.3 V) VCC applications, but it could be used to interface to 5-V supply environment for both inputs and outputs. This 8 bit D-type flip-flop is controlled by a clock input (CK) and a clear input ( CLR ). When the CLR input is low, the eight outputs are at a low logic level. All inputs are equipped with protection circuits against static discharge. TC74LCX273F TC74LCX273FT Features • Low-voltage operation: VCC = 1.65 to 3.6 V • High-speed operation: tpd = 8.5 ns (max) (VCC = 3.0 to 3.6 V) • Output current: |IOH|/IOL = 24 mA (min) (VCC = 3.0 V) • Latch-up performance: ＞±500 mA • Available in JEITA SOP, TSSOP and VSSOP (US) • Power-down protection is provided on all inputs and outputs • Pin and function compatible with the 74 series TC74LCX273FK (74AC/VHC/HC/F/ALS/LS etc.) 273 type Weight SOP20-P-300-1.27A TSSOP20-P-0044-0.65A VSSOP20-P-0030-0.50 : 0.22 g (typ.) : 0.08 g (typ.) : 0.03 g (typ.) Note: The Electrical Characteristics of VCC=1.8±0.15V is only applicable for products which manufactured from January 2009 onward. 1 2010-01-31 TC74LCX273F/FT/FK Pin Assignment (top view) IEC Logic Symbol CLR 1 20 VCC Q1 2 19 Q8 D1 3 18 D8 D2 4 17 D7 Q2 5 16 Q7 Q3 6 15 Q6 D3 7 14 D6 D4 8 13 D5 Q4 9 12 Q5 GND 10 11 CK CLR CK D1 D2 D3 D4 D5 D6 D7 D8 (1) (11) R C1 (3) (4) (7) (8) (13) (14) (17) (18) (2) (5) (6) (9) (12) (15) (16) (19) 1D Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Truth Table Inputs Outputs Function CLR D CK Q L X X L Clear H L L ⎯ H H H ⎯ H X Qn No change X: Don’t care System Diagram CLR 1 D1 3 D2 4 D R CK CK D3 7 D R CK Q D4 8 D R CK Q D5 13 D R CK Q D6 14 D R CK Q D7 17 D R CK Q D8 18 D R CK Q D R Q CK Q 11 2 5 6 9 Q1 Q2 Q3 Q4 2 12 Q5 15 Q6 16 19 Q7 Q8 2010-01-31 TC74LCX273F/FT/FK Absolute Maximum Ratings (Note 1) Characteristics Symbol Rating Unit Power supply voltage VCC −0.5 to 7.0 V DC input voltage VIN −0.5 to 7.0 V −0.5 to 7.0 (Note 2) DC output voltage VOUT −0.5 to VCC + 0.5 V (Note 3) Input diode current IIK −50 Output diode current IOK ±50 DC output current IOUT ±50 mA Power dissipation DC VCC/ground current Storage temperature mA (Note 4) mA PD 180 mW ICC/IGND ±100 mA Tstg −65 to 150 °C 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 Symbol Power supply voltage VCC Input voltage VIN Output voltage VOUT Output current IOH/IOL Rating Unit 1.65 to 3.6 1.5 to 3.6 (Note 2) 0 to 5.5 V 0 to 5.5 (Note 3) 0 to VCC (Note 4) ±24 (Note 5) ±12 (Note 6) Operating temperature Topr −40 to 85 Input rise and fall time dt/dv 0 to 10 V V mA °C (Note 7) 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: Data retention only Note 3: VCC = 0 V Note 4: High or low state Note 5: VCC = 3.0 to 3.6 V Note 6: VCC = 2.7 to 3.0 V Note 7: VIN = 0.8 to 2.0 V, VCC = 3.0 V 3 2010-01-31 TC74LCX273F/FT/FK Electrical Characteristics DC Characteristics (Ta = −40 to 85°C) Characteristics H-level Symbol Test Condition VIH VCC (V) H-level VIL VOH ⎯ 2.3 to 2.7 1.7 ⎯ 2.7 to 3.6 2.0 ⎯ 1.65 to 2.3 ⎯ VCC×0.1 2.3 to 2.7 ⎯ 0.7 2.7 to 3.6 ⎯ 0.8 Input leakage current VOL IIN Power-off leakage current IOFF Quiescent supply current ICC Increase in Icc per input ΔICC Unit V IOH = −100 μA 1.65 to 3.6 VCC－0.2 ⎯ IOH = −4 mA 1.65 1.05 ⎯ IOH = −8 mA 2.3 1.7 ⎯ IOH = −12 mA 2.7 2.2 ⎯ IOH = −18 mA 3.0 2.4 ⎯ IOH = −24 mA 3.0 2.2 ⎯ IOL = 100 μA 1.65 to 3.6 ⎯ 0.2 IOL = 4 mA 1.65 ⎯ 0.45 IOL = 8 mA 2.3 ⎯ 0.7 IOL = 12 mA 2.7 ⎯ 0.4 IOL = 16 mA 3.0 ⎯ 0.4 IOL = 24 mA 3.0 ⎯ 0.55 1.65 to 3.6 ⎯ ±5.0 μA VIN/VOUT = 5.5 V 0 ⎯ 10.0 μA VIN = VCC or GND 1.65 to 3.6 ⎯ 10.0 VIN = 3.6 to 5.5 V 1.65 to 3.6 ⎯ ±10.0 VIN = VCC − 0.6 V 2.7 to 3.6 ⎯ 500 VIN = VIH or VIL Output voltage L-level Max 1.65 to 2.3 VCC×0.9 Input voltage L-level Min VIN = VIH or VIL VIN = 0 to 5.5 V 4 V μA 2010-01-31 TC74LCX273F/FT/FK AC Characteristics (Ta = −40 to 85°C) Characteristics Maximum clock frequency Propagation delay time (CK-Q) Propagation delay time ( CLR -Q) Minimum pulse width (CK) Minimum pulse width ( CLR ) Minimum setup time Minimum hold time Minimum removal time Output to output skew Note: Symbol fMAX tPLH tPHL tPHL tw (H) tw (L) tw (L) ts th trem Test Condition (Figure 1, Figure 2) (Figure 1, Figure 2) (Figure 1, Figure 3) (Figure 1, Figure 2) (Figure 3) (Figure 1, Figure 2) (Figure 1, Figure 2) (Figure 4) tosLH (Note) tosHL Min Max 1.8±0.15 50 ⎯ 2.5±0.2 100 ⎯ 2.7 150 ⎯ 3.3 ± 0.3 150 ⎯ 1.8±0.15 ⎯ 30.0 2.5±0.2 ⎯ 10.5 2.7 ⎯ 9.5 3.3 ± 0.3 1.5 8.5 1.8±0.15 ⎯ 30.0 2.5±0.2 ⎯ 10.5 2.7 ⎯ 9.5 3.3 ± 0.3 1.5 8.5 1.8±0.15 10.0 ⎯ 2.5±0.2 5.0 ⎯ 2.7 3.3 ⎯ 3.3 ± 0.3 3.3 ⎯ 1.8±0.15 10.0 ⎯ 2.5±0.2 5.0 ⎯ 2.7 3.3 ⎯ 3.3 ± 0.3 3.3 ⎯ 1.8±0.15 10.0 ⎯ 2.5±0.2 5.0 ⎯ 2.7 2.5 ⎯ 3.3 ± 0.3 2.5 ⎯ 1.8±0.15 1.5 ⎯ 2.5±0.2 1.5 ⎯ 2.7 1.5 ⎯ 3.3 ± 0.3 1.5 ⎯ 1.8±0.15 8.0 ⎯ 2.5±0.2 4.0 ⎯ 2.7 2.5 ⎯ 3.3 ± 0.3 2.0 ⎯ 2.7 ⎯ ⎯ 3.3 ± 0.3 ⎯ 1.0 VCC (V) Unit MHz ns ns ns ns ns ns ns ns Parameter guaranteed by design. (tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|) 5 2010-01-31 TC74LCX273F/FT/FK Dynamic Switching Characteristics (Ta = 25°C, input: tr = tf = 2.5 ns, CL = 50 pF, RL = 500 Ω) Characteristics Test Condition Symbol Quiet output maximum dynamic VOL Typ. Unit VIH = 3.3 V, VIL = 0 V 3.3 0.8 V ⎪VOLV⎪ VIH = 3.3 V, VIL = 0 V 3.3 0.8 V Typ. Unit 3.3 7 pF 0 8 pF 3.3 25 pF VOLP Quiet output minimum dynamic VOL VCC (V) Capacitive Characteristics (Ta = 25°C) Characteristics Input capacitance VCC (V) CIN Output capacitance ⎯ COUT Power dissipation capacitance Note: Test Condition Symbol CPD fIN = 10 MHz (Note) CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption. Average operating current can be obtained by the equation: ICC (opr) = CPD･VCC･fIN + ICC/8 (per bit) AC Test Circuit RL Measure CL Output Figure 1 AC Waveform tr Input (CK) 10% tf VIH 90% VIM GND tr Input (D) tf 10% tw (L) VIH 90% VOM ts (H) Output (Q) tw (H) th (H) ts (L) th (L) GND VOH VOM tpHL tpLH VOL Figure 2 tpLH, tpHL, tw, ts, th 6 2010-01-31 TC74LCX273F/FT/FK tr VIH Input ( CLR ) Input ( CLR ) GND tw (L) 10% VIH 90% VIM GND tr VOH Output (Q) 90% Input (CK) VOM 10% VOL tpHL VIM trem Figure 3 tpHL VIH GND Figure 4 trem VCC Symbol 3.3 ± 0.3 V 2.7V Input 2.5 ± 0.2 V 1.8 ± 0.15 V VIH 2.7V VCC VCC VIM 1.5V VCC/2 VCC/2 tr,tf 2.5ns 2.0ns 2.0ns Output VOM 1.5V VOH/2 VOH/2 Load CL 50pF 30pF 30pF RL 500Ω 500Ω 1kΩ 7 2010-01-31 TC74LCX273F/FT/FK Package Dimensions Weight: 0.22 g (typ.) 8 2010-01-31 TC74LCX273F/FT/FK Package Dimensions Weight: 0.08 g (typ.) 9 2010-01-31 TC74LCX273F/FT/FK Package Dimensions Weight: 0.03 g (typ.) 10 2010-01-31 TC74LCX273F/FT/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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