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| MOTOROLA SEMICONDUCTOR TECHNICAL DATA 4-Bit Bidirectional Universal Shift Register High-Performance Silicon-Gate CMOS The MC74HC194 is identical in pinout to the LS194 and the MC14194B metal gate CMOS device. The device inputs are compatible with standard CMOS outputs; with pull-up resistors, they are compatible with LSTTL outputs. This static shift register features parallel load, serial load (shift right and shift left), hold, and reset modes of operation. These modes are tabulated in the Function Table, and further explanation can be found in the Pin Description section. * * * * * * Output Drive Capability: 10 LSTTL Loads Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2 to 6 V Low Input Current: 1 A High Noise Immunity Characteristic of CMOS Devices In Compliance with the Requirements Defined by JEDEC Standard No. 7A * Chip Complexity 164 FETs or 41 Equivalent Gates LOGIC DIAGRAM SERIAL DATA INPUTS PARALLEL DATA INPUTS SA SD A B C D CLOCK MODE S1 SELECT S0 RESET 2 7 3 4 5 6 11 10 9 1 15 14 13 12 16 MC74HC194 N SUFFIX PLASTIC PACKAGE CASE 648-08 1 ORDERING INFORMATION MC74HCXXXN Plastic PIN ASSIGNMENT RESET SA A B C D SD GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC QA QB QC QD CLOCK S1 S0 QA QB QC QD PARALLEL DATA OUTPUTS VCC = PIN 16 GND = PIN 8 FUNCTION TABLE Inputs Mode Select Reset L H H H H H H H H S1 X H L L H H L X X S0 X H H H L L L X X X L H Clock X Serial Data SD X X X X H L X X X SA X X H L X X X X X A X a X X X X X X X Parallel Data B X b X X X X X X X C X c X X X X X X X D X d X X X X X X X QA L a H L QBn QBn Outputs QB L b QAn QAn QCn QCn QC L c QBn QBn QDn QDn QD L d QCn QCn H L Operating Mode Reset Parallel Load Shift Right Shift Left Hold No Change No Change No Change H = high level (steady state) L = low level (steady state) X = don't care = transition from low to high level. 10/95 a, b, c, d = the level of steady-state input at inputs A, B, C, or D, respectively. QAn, QBn, QCn, QDn = the level of QA, QB, QC, or QD, respectively, before the most recent transition of the clock. (c) Motorola, Inc. 1995 1 REV 6 IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I III I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I III I I I I I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I III I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I I III I I I I I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I III I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIII IIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I I III IIIIII I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII III I III I I I I IIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII III I III I I III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I III I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I III I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII I IIIIIIII I I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII III IIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. Derating -- Plastic DIP: - 10 mW/_C from 65_ to 125_C For high frequency or heavy load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). MOTOROLA DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) RECOMMENDED OPERATING CONDITIONS MAXIMUM RATINGS* MC74HC194 Symbol Vin, Vout Symbol Symbol VCC Vout Tstg ICC Iout VCC Vin PD TL VOH tr, tf Iin VOL ICC TA VIH VIL Iin Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP) Storage Temperature Power Dissipation in Still Air DC Supply Current, VCC and GND Pins DC Output Current, per Pin DC Input Current, per Pin DC Output Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Supply Voltage (Referenced to GND) Input Rise and Fall Time (Figure 1) Operating Temperature, All Package Types DC Input Voltage, Output Voltage (Referenced to GND) DC Supply Voltage (Referenced to GND) Maximum Quiescent Supply Current (per Package) Maximum Input Leakage Current Maximum Low-Level Output Voltage Minimum High-Level Output Voltage Maximum Low-Level Input Voltage Minimum High-Level Input Voltage Parameter Parameter Parameter Vin = VIH or VIL |Iout| 20 A Vin = VIH or VIL |Iout| 20 A Vin = VCC or GND Iout = 0 A Vin = VCC or GND Vin = VIH or VIL |Iout| |Iout| Vin = VIH or VIL |Iout| |Iout| Vout = 0.1 V or VCC - 0.1 V |Iout| 20 A Vout = 0.1 V or VCC - 0.1 V |Iout| 20 A Plastic DIP v v v v VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V Test Conditions - 0.5 to VCC + 0.5 - 1.5 to VCC + 1.5 - 65 to + 150 - 0.5 to + 7.0 2 - 55 Min 2.0 Value v 4.0 mA v 5.2 mA v 4.0 mA v 5.2 mA 0 0 0 0 50 25 20 260 750 + 125 1000 500 400 VCC Max 6.0 VCC V 6.0 6.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 Unit Unit mW mA mA mA _C _C _C ns V V V V V - 55 to 25_C 0.1 1.5 3.15 4.2 0.26 0.26 3.98 5.48 0.1 0.1 0.1 1.9 4.4 5.9 0.3 0.9 1.2 8 This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, Vin and Vout should be constrained to the range GND (Vin or Vout) VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open. Guaranteed Limit v 85_C v 125_C High-Speed CMOS Logic Data DL129 -- Rev 6 1.0 1.5 3.15 4.2 0.33 0.33 3.84 5.34 0.1 0.1 0.1 1.9 4.4 5.9 0.3 0.9 1.2 80 v 1.0 1.5 3.15 4.2 0.40 0.40 3.70 5.20 0.1 0.1 0.1 1.9 4.4 5.9 0.3 0.9 1.2 160 v Unit A A V V V V IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). * Used to determine the no-load dynamic power consumption: PD = CPD VCC 2 f + ICC VCC . For load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). NOTES: 1. For propagation delays with loads other than 50 pF, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). 2. Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I III I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I II I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns) Symbol tPLH, tPHL tTLH, tTHL tPHL fmax Cin Maximum Input Capacitance Maximum Output Transition Time, Any Output (Figures 1 and 4) Maximum Propagation Delay, Reset to Q (Figures 2 and 4) Maximum Propagation Delay, Clock to Q (Figures 1 and 4) Maximum Clock Frequency (50% Duty Cycle) (Figures 1 and 4) Parameter VCC V 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 -- - 55 to 25_C 150 30 26 145 29 25 6.0 30 35 10 75 15 13 Guaranteed Limit High-Speed CMOS Logic Data DL129 -- Rev 6 TIMING REQUIREMENTS (Input tr = tf = 6 ns) Symbol CPD trec tr, tf tsu tsu tsu tw tw th Power Dissipation Capacitance (Per Package)* Maximum Input Rise and Fall Times (Figure 1) Minimum Pulse Width, Reset (Figure 2) Minimum Pulse Width, Clock (Figure 1) Minimum Recovery Time, Reset Inactive to Clock (Figure 2) Minimum Hold Time, Clock to any Input (except Reset) (Figure 3) Minimum Setup Time, SA or SD to Clock (Figure 3) Minimum Setup Time, S1 or S2 to Clock (Figure 3) Minimum Setup Time, Parallel Data Inputs to Clock (Figure 3) Parameter 3 VCC V 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 - 55 to 25_C Typical @ 25C, VCC = 5.0 V 1000 500 400 100 20 17 100 20 17 100 20 17 80 16 14 80 16 14 5 5 5 3 3 3 Guaranteed Limit 1000 500 400 100 20 17 100 20 17 125 25 21 125 25 21 125 25 21 190 38 33 180 36 31 4.8 24 28 10 95 19 16 90 5 5 5 3 3 3 1000 500 400 120 24 20 120 24 20 150 30 26 150 30 26 150 30 26 225 45 38 220 44 38 110 22 19 4.0 20 24 10 5 5 5 3 3 3 v 85_C v 125_C v 85_C v 125_C MC74HC194 MOTOROLA MHz Unit Unit pF pF ns ns ns ns ns ns ns ns ns ns ns MC74HC194 PIN DESCRIPTIONS DATA INPUTS A, B, C, D (Pins 3, 4, 5, 6) Parallel data inputs. S0, S1 (Pins 9, 10) SA (Pin 2) Serial-data input when using shift-right mode. SD (Pin 7) Serial-data input when using shift-left mode. OUTPUTS QA, QB, QC, QD (Pins 15, 14, 13, 12) Parallel data outputs. CONTROL INPUTS Clock (Pin 11) Clock Input. The shift register is completely static, allowing Clock rates down to DC in a continuous or intermittent mode. Mode-select inputs. These inputs control the mode of operation as described in the function table and below. Reset (Pin 1) A low level applied to this pin resets all stages and forces all outputs low. Parallel Load Mode (S1 = H, S0 = H) Data is loaded into the device with a positive transition of the Clock input. Shift Right Mode (S1 = L, S0 = H) With a positive transition of the Clock input, each bit is shifted right (in the direction QA toward QD) one stage and data on the SA Serial Data Input is shifted into stage A. Shift Left Mode (S1 = H, S0 = L) With a positive transition of the Clock input, each bit is shifted left (in the direction QD toward QA) one stage and data on the SD Serial Data Input is shifted into stage D. Hold Mode (S1 = L, S0 = L) Outputs are held. SWITCHING WAVEFORMS tr CLOCK 90% 50% 10% tw 1/fmax tPLH Q 90% 50% 10% tTLH tTHL tPHL trec VCC CLOCK 50% GND tf VCC GND RESET tPHL Q 50% 50% GND tw VCC Figure 1. Figure 2. TEST POINT VALID VCC DATA OR MODE 50% GND tsu CLOCK th VCC 50% GND * Includes all probe and jig capacitance DEVICE UNDER TEST OUTPUT CL* Figure 3. Figure 4. Test Circuit MOTOROLA 4 High-Speed CMOS Logic Data DL129 -- Rev 6 EXPANDED LOGIC DIAGRAM PARALLEL DATA INPUTS D 6 5 4 C B A 3 High-Speed CMOS Logic Data DL129 -- Rev 6 SERIAL DATA INPUT, SD 7 SERIAL DATA INPUT, SA 2 D C CQ RR D C CQ RR D C CQ RR D C CQ RR 1 12 QD 13 QC 14 QB 15 QA PARALLEL DATA OUTPUTS S0 9 MODE SELECT INPUTS S1 10 5 CLOCK 11 RESET MC74HC194 MOTOROLA MC74HC194 TIMING DIAGRAM CLOCK MODE- SELECT INPUTS S0 S1 RESET SERIAL DATA INPUTS SA SD A PARALLEL DATA INPUTS B C D QA PARALLEL DATA OUTPUTS QB QC QD SHIFT RIGHT RESET LOAD SHIFT LEFT INHIBIT RESET H L H L MOTOROLA 6 High-Speed CMOS Logic Data DL129 -- Rev 6 MC74HC194 OUTLINE DIMENSIONS N SUFFIX PLASTIC PACKAGE CASE 648-08 ISSUE R -A - 16 9 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. DIM A B C D F G H J K L M S INCHES MILLIMETERS MIN MAX MIN MAX 0.740 0.770 18.80 19.55 6.35 0.250 0.270 6.85 3.69 0.145 0.175 4.44 0.39 0.015 0.021 0.53 1.02 0.040 0.070 1.77 0.100 BSC 2.54 BSC 0.050 BSC 1.27 BSC 0.21 0.008 0.015 0.38 2.80 0.110 0.130 3.30 7.50 0.295 0.305 7.74 0 0 10 10 0.020 0.040 0.51 1.01 B 1 8 F S C L -T - H G D 16 PL 0.25 (0.010) M SEATING PLANE K J TA M M Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA/EUROPE: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 MFAX: RMFAX0@email.sps.mot.com -TOUCHTONE (602) 244-6609 INTERNET: http://Design-NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 High-Speed CMOS Logic Data DL129 -- Rev 6 CODELINE 7 *MC74HC194/D* MC74HC194/D MOTOROLA |
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