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74VHC08T
QUAD 2-INPUT AND GATE
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SEMICONDUCTOR TV
74VHC08
Quad 2-lnput AND Gate
General Description
The 1/HC08 is an advanced high speed CMOS 2 Input
AND Gate 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 internal circuit is composed of4 stages including buffer
output, which provide high noise immunity and stable out-
put. An input protection circuit insures that 0V to 7V can be
applied to the input pins without regard to the supply volt-
age. This device can be used to interface 5V to 3V systems
and two supply systems such as battery backup. This cir-
November 1992
Revised March 1999
cuit prevents device destruction due to mismatched supply
and input voltages.
Features
" High Speed1tpD = 4.3 ns (typ) at TA = 25°C
" High noise immunity: VNIH = VNIL = 28% Vcc (min)
" Power down protection is provided on all inputs
ll Low power dissipation: ICC = 2 WA (Max) @ TA = 25°C
ll Low noise: VOLP = 0.8V (max)
I: Pin and function compatible with 74HC08
Ordering Code:
Order Number Package Number Package Description
74VHCO8M M14A 14-Lead Small Outline Integrated Circuit (SOC), JEDEC MS-120, 0.150" Narrow
74VHCO8SJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm 1Mde
74VHC08MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm VUde
74VHC08N N14A 14-Lead Plastic Dual-ln-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the sumx letter "X" to the ordering code.
Logic Symbol Connection Diagram
lEEE/IEC
A0 - & 1
50 - 0 B0 2
Al - o 3
- l 00
E - A1 4
A2 - - 0 5
82 - 2 , 6
hs - - 0 GND 7
83 - 3
Pin Descriptions Truth Table
Pin Names Description
An, Bn Inputs
On Outputs
cr 1999 Fairchild Semiconductor Corporation DS01 15 l4.prf www fairchildserni,com
9199 CINV Indul'Z PenO 8OOHA17£
74VHC08
Absolute Maximum RatingS(Note1)
Supply Voltage (Vcc) Ah5V to +7.0V
DC Input Voltage (VIN) -0.51/ to +7.0V
DC Output Voltage (VOUT) Ah5V to Vcc + 0.5V
Input Diode Current (IIK) -2() mA
Output Diode Current (IOK) i20 mA
DC Output Current (lour) 125 mA
DC Vcc/GND Current (ICC) $50 mA
Storage Temperature (Tsrs) -65'C to +150°C
Lead Temperature (TL)
(Soldering, 10 seconds) 260°C
DC Electrical Characteristics
Recommended Operating
Conditions (Note 2)
Supply Voltage (Vcc) 2.0V to +5.5V
Input Voltage (VIN) 0V to +5.5V
Output Voltage (VouT) 0V to vet:
Operating Temperature (TopR) —40°C to +85°C
Input Rise and Fall Time (tr, tr)
Vcc = 3.3V f, 0.3V 0 nsN - 100 nsN
Vcc = 5.0V : 0.5V 0 nsN _ 20 nsN
Note 1: Absolute Maximum Ratings are values beyond which the device
may be damaged or have its useful life impaired. The databook specrica-
tions should be met, without exception, to ensure that the system design is
reliable over its power supply, temperature, and output/input loading vari-
ables. Fairchild does not recommend operation outside databook specirica-
lions.
Nuts 2: Unused inputs must be held HIGH or LOW. They may not Mat.
Vcc TA = 25cc TA = 40°C to +85°C . . .
Symbol Parameter Units Conditions
(V) Min Typ Max Min Max
Ihr, HIGH Level 2.0 1.50 1.50 v
Input Voltage 3.0 - 5.5 0.7 Vcc 0.7 Vcc
" LOW Level 2.0 0.50 0.50 V
Input Voltage 3.0 - 5.5 0.3 Vcc 0.3 Vcc
Vor, HIGH Level 2.0 1.9 2.0 1.9 VIN = Vm br, = -50 11A
Output Voltage 3.0 2.9 3.0 2.9 V or "
4.5 4.4 4.5 4.4
3.0 2.58 2.48 V m
4.5 3.94 3.80 IOH = -8 mA
Vor, Low Level 2.0 0.0 0.1 0.1 vIN = Ihr, IOL = 50 pA
OutputVoltage 3.0 0.0 0.1 0.1 V or "
4.5 0.0 0.1 0.1
3.0 0.36 0.44 W
4.5 0.36 0.44 V '0L=3 mA
IIN Input Leakage Current 0 - 5.5 ue0.1 url.0 pA VIN = 5.5V or GND
ICC Quiescent Supply Current 5.5 2.0 20.0 11A VIN = Vcc or GND
Noise Characteristics
Symbol Parameter Vcc TA = 2506 Units Conditions
(V) Typ Limits
$01: 3) Quiet Output Maximum Dynamic VOL 5_0 0.3 0.8 V CL = 50 pF
21%; 3) Quiet Output Minimum Dynamic V01. 5.0 -0.3 -0.8 V CL = 50 pF
VIHD Minimum HIGH Level Dynamic Input Voltage 5.0 3.5 V CL = 50 pF
(Note 3)
VILD Maximum LOW Level Dynamic Input Voltage 5.0 1.5 V CL = 50 pF
(Note 3)
Note 3: Parameter guaranteed by design,
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