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74VHC175 Quad D-Type Flip-Flop
August 1993 Revised April 1999
74VHC175 Quad D-Type Flip-Flop
General Description
The VHC175 is an advanced high-speed CMOS device fabricated with silicon gate CMOS technology. It achieves the high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHC175 is a high-speed quad D-type flip-flop. The device is useful for general flip-flop requirements where clock and clear inputs are common. The information on the D inputs is stored during the LOW-to-HIGH clock transition. Both true and complemented outputs of each flip-flop are provided. A Master Reset input resets all flip-flops, independent of the Clock or D inputs, when LOW. An input protection circuit insures that 0V to 7V can be applied to the input pins without regard to the supply voltage. This device can be used to interface 5V to 3V systems and two supply systems such as battery backup. This circuit prevents device destruction due to mismatched supply and input voltages.
Features
s High Speed: fMAX = 210 MHz (typ) at VCC = 5V s Low power dissipation: ICC = 4 A (max) at TA = 25C s High noise immunity: VNIH = VNIL = 28% VCC (min) s Power down protection is provided on all inputs s Low noise: VOLP = 0.8V (max) s Pin and function compatible with 74HC175
Ordering Code:
Order Number 74VHC175M 74VHC175SJ 74VHC175MTC 74VHC175N Package Number M16A M16D MTC16 N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Connection Diagram
Pin Descriptions
Pin Names D0-D3 CP MR Q0-Q3 Q0-Q 3 Description Data Inputs Clock Pulse Input Master Reset Input True Outputs Complement Outputs
Logic Symbols
IEEE/IEC
(c) 1999 Fairchild Semiconductor Corporation
DS011637.prf
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74VHC175
Functional Description
The VHC175 consists of four edge-triggered D flip-flops with individual D inputs and Q and Q outputs. The Clock and Master Reset are common. The four flip-flops will store the state of their individual D inputs on the LOW-to-HIGH clock (CP) transition, causing individual Q and Q outputs to follow. A LOW input on the Master Reset (MR) will force all Q outputs LOW and Q outputs HIGH independent of Clock or Data inputs. The VHC175 is useful for general logic applications where a common Master Reset and Clock are acceptable.
Truth Table
Inputs @ tn, MR = H Dn L H
H = HIGH Voltage Level L = LOW Voltage Level tn = Bit Time before Clock Pulse tn+1 = Bit Time after Clock Pulse
Outputs @ tn+1 Qn L H Qn H L
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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74VHC175
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC) DC Input Voltage (VIN) DC Output Voltage (VOUT) Input Diode Current (IIK) Output Diode Current (IOK) DC Output Current (IOUT) DC VCC /GND Current (ICC ) Storage Temperature (TSTG) Lead Temperature (TL) (Soldering, 10 seconds) 260C -0.5V to +7.0V -0.5V to +7.0V -0.5V to VCC + 0.5V -20 mA 20 mA 25 mA 50 mA -65C to +150C
Recommended Operating Conditions (Note 2)
Supply Voltage (VCC) Input Voltage (VIN) Output Voltage (VOUT) Operating Temperature (TOPR) Input Rise and Fall Time (tr, tf) VCC = 3.3V 0.3V VCC = 5.0V 0.5V 0 100 ns/V 0 20 ns/V 2.0V to +5.5V 0V to +5.5V 0V to VCC -40C to +85C
Note 1: Absolute Maximum Ratings are values beyond which the device may be damaged or have its useful life impaired. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation outside databook specifications. Note 2: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol VIH VIL VOH Parameter HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Output Voltage VCC (V) 2.0 3.0 - 5.5 2.0 3.0 - 5.5 2.0 3.0 4.5 3.0 4.5 VOL LOW Level Output Voltage 2.0 3.0 4.5 3.0 4.5 IIN ICC Input Leakage Current Quiescent Supply Current 0 - 5.5 5.5 1.9 2.9 4.4 2.58 3.94 0.0 0.0 0.0 0.1 0.1 0.1 0.36 0.36 0.1 4.0 2.0 3.0 4.5 TA = 25C Min 1.50 0.7 VCC 0.50 0.3 VCC 1.9 2.9 4.4 2.48 3.80 0.1 0.1 0.1 0.44 0.44 1.0 40.0 V A A IOL = 4 mA IOL = 8 mA VIN = 5.5V or GND VIN = VCC or GND V V VIN = VIH or VIL IOH = -4 mA IOH = -8 mA IOL = 50 A V Typ Max TA = -40C to +85C Min 1.50 0.7 VCC 0.50 0.3 VCC Max Units V V VIN = VIH or VIL IOH = -50 A Conditions
Noise Characteristics
Symbol VOLP (Note 3) VOLV (Note 3) VIHD (Note 3) VILD (Note 3) Parameter Quiet Output Maximum Dynamic VOL Quiet Output Minimum Dynamic VOL Minimum HIGH Level Dynamic Input Voltage Maximum LOW Level Dynamic Input Voltage VCC (V) 5.0 5.0 5.0 5.0 TA = 25C Typ 0.4 -0.4 Limits 0.8 -0.8 3.5 1.5 Units V V V V CL = 50 pF CL = 50 pF CL = 50 pF CL = 50 pF Conditions
Note 3: Parameter guaranteed by design.
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74VHC175
AC Electrical Characteristics
Symbol fMAX Parameter Maximum Clock Frequency 5.0 0.5 tPLH tPHL Propagation Delay Time (CP to Qn or Qn) 5.0 0.5 tPLH tPHL Propagation Delay Time (MR to Qn or Qn) 5.0 0.5 tOSLH tOSHL Output to Output Skew 5.0 0.5 CIN CPD Input Capacitance Power Dissipation Capacitance
Note 4: Parameter guaranteed by design. tOSLH = |tPLHmax - tPLHmin|; tOSHL =| tPHLmax - tPHLmin|. Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained from the equation: ICC (opr.) = CPD * VCC * fIN + ICC/4 (per F/F), and the total CPD when n pcs of the Flip-Flop operate can be calculated by the following equation: CPD (total) = 30 + 14 * n
VCC (V) 3.3 0.3
TA = 25C Min 90 50 150 85 Typ 140 75 210 115 7.5 10.0 4.8 6.3 6.3 8.8 4.3 5.8 11.5 15.0 7.3 9.3 10.1 13.6 6.4 8.4 1.5 1.0 4 44 10 Max
TA = -40C to +85C Min 75 45 125 75 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 13.5 17.0 8.5 10.5 12.0 15.5 7.5 9.5 1.5 1.0 10 Max
Units MHz MHz ns ns ns ns
Conditions CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 15 pF CL = 50 pF CL = 50 pF CL = 50 pF (Note 4)
3.3 0.3
3.3 0.3
3.3 0.3
pF pF
VCC = Open (Note 5)
AC Operating Requirements
Symbol tW(L) tW(H) tW(L) tS tH tREC Minimum Pulse Width (MR) Minimum Setup Time (Dn to CP) Minimum Hold Time (Dn to CP) Parameter Minimum Pulse Width (CP) VCC (V) (Note 6) 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 Minimum Removal Time (MR) 3.3 5.0
Note 6: VCC is 3.3 0.3V or 5.0 0.5V
TA = 25C Typ
TA = -40C to +85C Guaranteed Minimum 5.0 5.0 5.0 5.0 5.0 4.0 1.0 1.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 4.0 1.0 1.0 5.0 5.0 Units
ns ns ns ns ns
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74VHC175
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow Package Number M16A
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M16D
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74VHC175
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC16
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74VHC175 Quad D-Type Flip-Flop
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Package Number N16E
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support 1. Life support devices or systems are devices or systems device or system whose failure to perform can be reawhich, (a) are intended for surgical implant into the sonably expected to cause the failure of the life support body, or (b) support or sustain life, and (c) whose failure device or system, or to affect its safety or effectiveness. to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the www.fairchildsemi.com user.
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.

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