74ACT574 OCTAL D-TYPE FLIP-FLOP WITH 3 STATE OUTPUTS (NON INVERTED) ■ ■ ■ ■ ■ ■ ■ ■ ■ HIGH SPEED: fMAX = 270MHz (TYP.) at VCC = 5.0V LOW POWER DISSIPATION: ICC = 4µA(MAX.) at TA=25°C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.), VIL = 0.8V (MAX.) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 4.5V to 5.5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 574 IMPROVED LATCH-UP IMMUNITY DESCRIPTION The 74ACT574 is an advanced high-speed CMOS OCTAL D-TYPE FLIP-FLOP with 3 STATE OUTPUT NON INVERTING fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. These 8 bit D-Type Flip-Flop are controlled by a clock input (CK) and an output enable input (OE). On the positive transition of the clock, the Q outputs will be set to the logic that were setup at the D inputs. While the (OE) input is low, the 8 outputs will be in DIP SOP TSSOP ORDER CODES PACKAGE TUBE DIP SOP TSSOP 74ACT574B 74ACT574M T&R 74ACT574MTR 74ACT574TTR a normal logic state (high or low logic level) and while high level the outputs will be in a high impedance state. The output control does not affect the internal operation of flip-flops; that is, the old data can be retained or the new data can be entered even while the outputs are off. This device is designed to interface directly High Speed CMOS systems with TTL and NMOS components. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS April 2001 1/11 74ACT574 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL 1 OE 2, 3, 4, 5, 6, 7, 8, 9 12, 13, 14, 15, 16, 17, 18, 19 11 D0 to D7 3-State Output Enable (Active LOW) Data Inputs Q0 to Q7 3-State Outputs 10 20 CK GND VCC NAME AND FUNCTION Clock Input (LOW-to-HIGH Edge Trigger) Ground (0V) Positive Supply Voltage TRUTH TABLE INPUTS OE CK D H X Q X Z L X NO CHANGE L L L L H H X : Don’t Care Z : High Impedance LOGIC DIAGRAM This logic diagram has not be used to estimate propagation delays 2/11 OUTPUT 74ACT574 ABSOLUTE MAXIMUM RATINGS Symbol V CC Parameter Supply Voltage Value Unit -0.5 to +7 V -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 V DC Input Diode Current ± 20 mA IOK DC Output Diode Current ± 20 mA IO DC Output Current VI DC Input Voltage VO DC Output Voltage IIK ICC or IGND DC VCC or Ground Current Tstg Storage Temperature TL Lead Temperature (10 sec) V ± 50 mA ± 400 mA -65 to +150 °C 300 °C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. RECOMMENDED OPERATING CONDITIONS Symbol Value Unit Supply Voltage 4.5 to 5.5 V VI Input Voltage 0 to VCC V VO Output Voltage 0 to VCC V Top Operating Temperature -55 to 125 °C 8 ns/V V CC dt/dv Parameter Input Rise and Fall Time VCC = 4.5 to 5.5V (note 1) 1) VIN from 0.8V to 2.0V 3/11 74ACT574 DC SPECIFICATIONS Test Condition Symbol Parameter TA = 25°C VCC (V) VIH High Level Input Voltage 4.5 5.5 VO = 0.1 V or VCC-0.1V V IL Low Level Input Voltage 4.5 VO = 0.1 V or VCC-0.1V VOH VOL II I OZ ICCT High Level Output Voltage Low Level Output Voltage Input Leakage Current High Impedance Output Leakege Current Max ICC/Input 5.5 Min. Typ. 2.0 2.0 1.5 1.5 Max. -55 to 125°C Min. Min. Max. 2.0 2.0 V 1.5 0.8 0.8 0.8 1.5 0.8 0.8 0.8 IO=-50 µA 4.4 4.49 4.4 4.4 IO=-50 µA 5.4 5.49 5.4 5.4 4.5 IO =-24 mA 3.86 3.76 3.7 4.86 V 5.5 IO =-24 mA 4.5 IO=50 µA 0.001 0.1 0.1 0.1 5.5 IO=50 µA 0.001 0.1 0.1 0.1 4.76 Unit Max. 2.0 2.0 4.5 4.7 V 4.5 IO =24 mA 0.36 0.44 0.5 5.5 IO =24 mA 0.36 0.44 0.5 5.5 VI = VCC or GND ± 0.1 ±1 ±1 µA 5.5 VI = VIH or VIL VO = VCC or GND ± 0.5 ±5 ±5 µA 1.5 1.6 mA 40 80 µA VOLD = 1.65 V max 75 50 mA VOHD = 3.85 V min -75 -50 mA 5.5 VI = VCC - 2.1V Quiescent Supply Current 5.5 VI = VCC or GND IOLD Dynamic Output Current (note 1, 2) 5.5 0.6 4 1) Maximum test duration 2ms, one output loaded at time 2) Incident wave switching is guaranteed on trasmission lines with impedances as low as 50Ω 4/11 -40 to 85°C 5.5 ICC IOHD Value 74ACT574 AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns) Test Condition Symbol Parameter tPLH tPHL Propagation Delay Time CK to Q tPZL tPZH Output Enable Time tPLZ tPHZ Output Disable Time tW CK Pulse Width HIGH or LOW ts Setup Time D to CK, HIGH or LOW th Hold Time D to CK, HIGH or LOW fMAX Maximum CK Frequency Value TA = 25°C VCC (V) -55 to 125°C Min. Min. Max. 5.0 10.0 11.0 11.0 ns 5.0 (*) 5.5 9.0 10.0 10.0 ns 5.0 (*) 5.0 8.5 9.0 9.0 ns 5.0 (*) 1.5 3..0 4.0 4.0 ns 5.0 (*) 1.0 2.5 3.0 3.0 ns 5.0 (*) -1.0 2.5 3.0 3.0 ns (*) 5.0 (*) 100 270 Max. Unit Typ. 5.0 Min. -40 to 85°C 85 Max. 85 MHz (*) Voltage range is 5.0V ± 0.5V CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter CIN Input Capacitance C OUT Output Capacitance Power Dissipation Capacitance (note 1) C PD Value TA = 25°C VCC (V) Min. Typ. Max. -40 to 85°C -55 to 125°C Min. Min. Max. Unit Max. 5.0 4 pF 5.0 8 pF 26 pF 5.0 fIN = 10MHz 1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/n (per circuit) 5/11 74ACT574 TEST CIRCUIT TEST tPLH, tPHL SWITCH Open tPZL, tPLZ 2V CC tPZH, tPHZ Open C L = 50pF or equivalent (includes jig and probe capacitance) R L = R1 = 500Ω or equivalent R T = ZOUT of pulse generator (typically 50Ω) WAVEFORM 1: PROPAGATION DELAYS, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle) 6/11 74ACT574 WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIMES (f=1MHz; 50% duty cycle) WAVEFORM 3: PULSE WIDTH (f=1MHz; 50% duty cycle) 7/11 74ACT574 Plastic DIP-20 (0.25) MECHANICAL DATA mm DIM. MIN. a1 0.254 B 1.39 TYP. inch MAX. MIN. TYP. MAX. 0.010 1.65 0.055 0.065 b 0.45 0.018 b1 0.25 0.010 D 25.4 1.000 E 8.5 0.335 e 2.54 0.100 e3 22.86 0.900 F 7.1 0.280 I 3.93 0.155 L Z 3.3 0.130 1.34 0.053 P001J 8/11 74ACT574 SO-20 MECHANICAL DATA mm DIM. MIN. TYP. A a1 inch MAX. MIN. TYP. 2.65 0.10 0.104 0.20 a2 MAX. 0.004 0.007 2.45 0.096 b 0.35 0.49 0.013 0.019 b1 0.23 0.32 0.009 0.012 C 0.50 0.020 c1 45 (typ.) D 12.60 13.00 0.496 0.512 E 10.00 10.65 0.393 0.419 e 1.27 0.050 e3 11.43 0.450 F 7.40 7.60 0.291 0.299 L 0.50 1.27 0.19 0.050 M S 0.75 0.029 8 (max.) P013L 9/11 74ACT574 TSSOP20 MECHANICAL DATA mm DIM. MIN. inch TYP. MAX. A MIN. TYP. 1.1 0.433 A1 0.05 0.10 0.15 0.002 0.004 0.006 A2 0.85 0.9 0.95 0.335 0.354 0.374 b 0.19 0.30 0.0075 0.0118 c 0.09 0.2 0.0035 0.0079 D 6.4 6.5 6.6 0.252 0.256 0.260 E 6.25 6.4 6.5 0.246 0.252 0.256 E1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 BSC 0.0256 BSC K 0o 4o 8o 0o 4o 8o L 0.50 0.60 0.70 0.020 0.024 0.028 A A2 A1 b K e E1 PIN 1 IDENTIFICATION 1 L E c D 10/11 MAX. 74ACT574 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringe ment of patents or other righ ts of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this pub lication are subject to change without notice. Thi s pub lication supersedes and replaces all information previously supplied. STMicroelectronics prod ucts are not authori zed for use as critical components in life suppo rt devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 2001 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Swit zerland - United Kingdom http://w ww.st.com 11/11