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74VCX38 Low Voltage Quad 2-Input NAND Gate with Open Drain Outputs and 3.6V Tolerant Inputs and Outputs
July 1999 Revised July 1999
74VCX38 Low Voltage Quad 2-Input NAND Gate with Open Drain Outputs and 3.6V Tolerant Inputs and Outputs
General Description
The VCX38 contains four 2-input NAND gates with open drain outputs. This product is designed for low voltage (1.65V to 3.6V) VCC applications with I/O compatibility up to 3.6V. The VCX38 is fabricated with advanced CMOS technology to achieve high-speed operation while maintaining CMOS low power dissipation.
Features
s 1.65V-3.6V VCC supply operation s 3.6V tolerant inputs and outputs s tPD 2.8 ns max for 3.0V to 3.6V VCC 3.7 ns max or 2.3V to 2.7V VCC 6.7 ns max for 1.65V to 1.95V VCC s Power-off high impedance inputs and outputs s Static Drive (IOL) 24 mA @ 3.0V VCC 18 mA @ 2.3V VCC 6 mA @ 1.65V VCC s Uses patented Quiet SeriesTM noise/EMI reduction circuitry s Latchup performance exceeds 300 mA s ESD performance: Human body model > 2000V Machine model > 250V
Ordering Code:
Order Number 74VCX38M 74VCX38MTC Package Number M14A MTC14 Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150" Narrow 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Logic Symbol
IEEE/IEC
Connection Diagram
Pin Descriptions
Pin Names An , Bn On
Quiet SeriesTM is a trademark of Fairchild Semiconductor Corporation.
Description Inputs Outputs
(c) 1999 Fairchild Semiconductor Corporation
ds500161
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74VCX38
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC ) DC Input Voltage (VI) Output Voltage (VO) (Note 2) DC Input Diode Current (IIK) VI < 0V DC Output Diode Current (IOK) VO < 0V DC Output Source/Sink Current (IOL) DC VCC or Ground Current per Supply Pin (ICC or Ground) Storage Temperature Range (Tstg) -65C to +150C -50 mA +50 mA 100 mA -50 mA -0.5V to +4.6V -0.5V to +4.6V -0.5V to +4.6V
Recommended Operating Conditions (Note 3)
Power Supply Operating Data Retention Only Input Voltage Output Voltage (VO) Output Current in IOL VCC = 3.0V to 3.6V VCC = 2.3V to 2.7V VCC = 1.65V to 2.3V Free Air Operating Temperature (TA) Minimum Input Edge Rate (t/V) Vin = 0.8V to 2.0V, VCC = 3.0V 10 ns/V
Note 1: The "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Note 2: IO Absolute Maximum Rating must be observed. Note 3: Floating or unused inputs must be held HIGH or LOW
1.65V to 3.6V 1.2V to 3.6V -0.3V to 3.6V 0V to VCC 24 mA 18 mA 6 mA -40C to +85C
DC Electrical Characteristics (2.7V < VCC 3.6V)
Symbol VIH VIL VOL Parameter HIGH Level Input Voltage LOW Level Input Voltage LOW Level Output Voltage IOL = 100 A IOL = 12 mA IOL = 18 mA IOL = 24 mA II IOFF ICC ICC Input Leakage Current Power-Off Leakage Current Quiescent Supply Current Increase in ICC per Input 0 VI 3.6V 0 (VI, VO) 3.6V VI = VCC or GND VCC VI 3.6V VIH = VCC -0.6V Conditions VCC (V) 2.7-3.6 2.7-3.6 2.7-3.6 2.7 3.0 3.0 2.7-3.6 0 2.7-3.6 2.7-3.6 2.7-3.6 Min 2.0 0.8 0.2 0.4 0.4 0.55 5.0 10 20 20 750 A A A A V Max Units V V
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74VCX38
DC Electrical Characteristics (2.3V VCC 2.7V)
Symbol VIH VIL VOL Parameter HIGH Level Input Voltage LOW Level Input Voltage LOW Level Output Voltage IOL = 100 A IOL = 12 mA IOL = 18 mA II IOFF ICC Input Leakage Current Power-Off Leakage Current Quiescent Supply Current 0 VI 3.6V 0 (VI, VO) 3.6V VI = V CC or GND VCC VI 3.6V Conditions VCC (V) 2.3-2.7 2.3-2.7 2.3-2.7 2.3 2.3 2.3-2.7 0 2.3-2.7 2.3-2.7 Min 1.6 0.8 0.2 0.4 0.6 5.0 10 20 20 A A A V Max Units V V
DC Electrical Characteristics (1.65V VCC < 2.3V)
Symbol VIH VIL VOL II IOFF ICC Parameter HIGH Level Input Voltage LOW Level Input Voltage LOW Level Output Voltage Input Leakage Current Power-Off Leakage Current Quiescent Supply Current IOL = 100 A IOL = 6 mA 0 VI 3.6V 0 (VI, VO) 3.6V VI = V CC or GND VCC VI 3.6V Conditions VCC (V) 1.65-2.3 1.65-2.3 1.65-2.3 1.65 1.65-2.3 0 1.65-2.3 1.65-2.3 Min 0.65 x VCC 0.35 x VCC 0.2 0.3 5.0 10 20 20 Max Units V V V A A A
AC Electrical Characteristics
Symbol Parameter
(Note 4)
TA = -40C to +85C, CL = 30 pF, RL = 500 VCC = 3.3V 0.3V Min Max 2.8 0.5 0.6 VCC = 2.5V 0.2V Min 0.8 Max 3.7 0.5 VCC = 1.8V 0.15V Min 1.0 Max 6.7 0.75 ns ns Units
tPZL tPLZ tOSHL tOSLH
Propagation Delay Output to Output Skew (Note 5)
Note 4: For CL = 50 pF, add approximately 300 ps to the AC maximum specification. Note 5: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Symbol VOLP Parameter Quiet Output Dynamic Peak VOL Conditions CL = 30 pF, VIH = VCC, VIL = 0V VCC (V) 1.8 2.5 3.3 VOLV Quiet Output Dynamic Valley VOL CL = 30 pF, VIH = VCC, VIL = 0V 1.8 2.5 3.3 TA = +25C Typical 0.25 0.6 0.8 -0.25 -0.6 -0.8 V V Units
Capacitance
Symbol CIN COUT CPD Input Capacitance Output Capacitance Power Dissipation Capacitance Parameter Conditions VI = 0v OR VCC, VCC = 1.8V, 2.5V or 3.3V VI = 0V or VCC, VCC = 1.8V, 2.5V or 3.3V VI = 0V or VCC, f = 10 MHz, VCC = 1.8V, 2.5V or 3.3V TA +25C Typical 6 7 20 Units pF pF pF
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74VCX38
AC Loading and Waveforms
FIGURE 1. AC Test Circuit
TEST tPZL, tPLZ SWITCH 6V at VCC = 3.3 0.3V; VCC x 2 at VCC = 2.5V 0.2V; 1.8V
FIGURE 2. Waveform for Open Drain, Inverting and Non-inverting Functions
VCC 3.3V 0.3V 1.5V 1.5V VOL + 0.3V 2.5V 0.2V VCC/2 VCC/2 VOL + 0.15V 1.8V 0.15V VCC/2 VCC/2 VOL + 0.15V
Symbol Vmi Vmo Vx
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74VCX38
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150" Narrow Package Number M14A
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74VCX38 Low Voltage Quad 2-Input NAND Gate with Open Drain Outputs and 3.6V Tolerant Inputs and Outputs
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Package Number MTC14
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. 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: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure 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 user. www.fairchildsemi.com 6 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com

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