January 1997
Revised June 2000
NC7ST08
TinyLogic HST 2-Input AND Gate
General Description
The NC7ST08 is a single 2-Input high performance CMOS AND Gate, with TTL-compatible inputs. Advanced Silicon Gate CMOS fabrication assures high speed and low power circuit operation. ESD protection diodes inherently guard both inputs and output with respect to the VCC and GND rails. High gain circuitry offers high noise immunity and reduced sensitivity to input edge rate. The TTL-compatible inputs facilitate TTL to NMOS/CMOS interfacing. Device performance is similar to MM74HCT but with 1/2 the output current drive of HC/HCT.
Features
■Space saving SOT23 or SC70 5-lead package
■High Speed:
tPD 6 ns (typ), VCC = 5V, CL = 15 pF, TA = 25° C
■Low Quiescent Power, ICC < 1 µ A, VCC = 5.5V
■Balanced Output Drive; 2 mA IOL, − 2 mA IOH
■TTL-compatible inputs
Ordering Code:
Order |
Package |
Product Code |
Package Description |
Supplied As |
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Number |
Number |
Top Mark |
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NC7ST08M5 |
MA05B |
8S08 |
5-Lead SOT23, JEDEC MO-178, 1.6mm |
250 Units on Tape and Reel |
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NC7ST08M5X |
MA05B |
8S08 |
5-Lead SOT23, JEDEC MO-178, 1.6mm |
3k Units on Tape and Reel |
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NC7ST08P5 |
MAA05A |
T08 |
5-Lead SC70, EIAJ SC-88a, 1.25mm Wide |
250 Units on Tape and Reel |
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NC7ST08P5X |
MAA05A |
T08 |
5-Lead SC70, EIAJ SC-88a, 1.25mm Wide |
3k Units on Tape and Reel |
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Logic Symbol |
Connection Diagram |
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IEEE/IEC |
(Top View)
Pin Descriptions |
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Function Table |
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Y = AB |
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Pin Names |
Description |
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A, B |
Inputs |
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Inputs |
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Output |
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Y |
Output |
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A |
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B |
Y |
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L |
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L |
L |
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L |
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H |
L |
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H |
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L |
L |
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H |
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H |
H |
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H = HIGH |
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Logic Level |
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L = LOW Logic Level |
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TinyLogic is a trademark of Fairchild Semiconductor Corporation. |
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Gate AND Input-2 HST TinyLogic NC7ST08
© 2000 Fairchild Semiconductor Corporation |
DS012182 |
www.fairchildsemi.com |
NC7ST08
Absolute Maximum Ratings(Note 1)
Supply Voltage (VCC) |
− 0.5V to + 7.0V |
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DC Input Diode Current (IIK) |
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@VIN < |
− 0.5V |
− 20 mA |
@VIN ≥ |
VCC + 0.5V |
+ 20 mA |
DC Input Voltage (VIN) |
− 0.5V to VCC + 0.5V |
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DC Output Diode Current (IOK) |
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VOUT < |
− 0.5V |
− 20 mA |
VOUT > |
VCC + 0.5V |
+ 20 mA |
Output Voltage (VOUT) |
− 0.5V to VCC + 0.5V |
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DC Output Source or Sink Current |
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(IOUT) |
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± 12.5 mA |
DC VCC or Ground Current per |
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Supply Pin (ICC or IGND) |
± 25 mA |
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Storage Temperature (TSTG) |
− 65° C to + 150° C |
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Junction Temperature (TJ) |
150° C |
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Lead Temperature (TL); |
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(Soldering, 10 seconds) |
260° C |
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Power Dissipation (PD) @+ 85° C |
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SOT23-5 |
200 mW |
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SC70-5 |
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150 mW |
Recommended Operating
Conditions (Note 2)
Supply Voltage |
4.5V to 5.5V |
Input Voltage (VIN) |
0.0V to VCC |
Output Voltage (VOUT) |
0V to VCC |
Operating Temperature (TA) |
− 40° C to + 85° C |
Input Rise and Fall Time (tr, tf) |
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VCC = 5.0V |
0 ns to 500 ns |
Thermal Resistance (θ JA) |
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SOT23-5 |
300° C/W |
SC70-5 |
425° C/W |
Note 1: Absolute Maximum Ratings are those values beyond which damage to the device may occur. 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 of circuits outside the databook specifications.
Note 2: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol |
Parameter |
VCC |
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TA = + 25° C |
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TA = 40° C to + 85° C |
Units |
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Conditions |
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(V) |
Min |
Typ |
Max |
Min |
Max |
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VIH |
HIGH Level Input Voltage |
4.5–5.5 |
2.0 |
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2.0 |
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V |
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VIL |
LOW Level Input Voltage |
4.5–5.5 |
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0.8 |
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0.8 |
V |
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VOH |
HIGH Level Output Voltage |
4.5 |
4.4 |
4.5 |
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4.4 |
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IOH = |
− |
20 µ A |
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4.5 |
4.18 |
4.35 |
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4.13 |
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V |
IOH = |
− |
2 mA |
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VIN = |
VIH |
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VOL |
LOW Level Output Voltage |
4.5 |
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0 |
0.1 |
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0.1 |
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IOL = |
20 µ A |
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4.5 |
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0.10 |
0.26 |
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0.33 |
V |
IOL = |
2 mA |
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VIN = |
VIL |
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IIN |
Input Leakage Current |
5.5 |
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± 0.1 |
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± 1.0 |
V |
0 ≤ VIN ≤ 5.5V |
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ICC |
Quiescent Supply Current |
5.5 |
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1.0 |
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10.0 |
µ A |
VIN = |
VCC or GND |
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ICCT |
ICC per Input |
5.5 |
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2.0 |
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2.9 |
mA |
One input VIN = 0.5V or 2.4V, |
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other input VCC or GND |
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www.fairchildsemi.com |
2 |
AC Electrical Characteristics
Symbol |
Parameter |
VCC |
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TA = + 25° C |
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TA = 40° C to + 85° C |
Units |
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Conditions |
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Fig. No. |
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(V) |
Min |
Typ |
Max |
Min |
Max |
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tPLH, |
Propagation Delay |
5.0 |
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4 |
12 |
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ns |
CL = |
15 pF |
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tPHL |
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6 |
17 |
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4.5 |
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6 |
16 |
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20 |
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Figures |
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12 |
27 |
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31 |
ns |
CL = |
50 pF |
1, 3 |
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5.5 |
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5 |
14 |
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18 |
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11 |
26 |
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30 |
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tTLH, |
Output Transition Time |
5.0 |
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4 |
10 |
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ns |
CL = |
15 pF |
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Figures |
tTHL |
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4.5 |
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11 |
25 |
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31 |
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ns |
CL = |
50 pF |
1, 3 |
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5.5 |
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10 |
21 |
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26 |
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CIN |
Input Capacitance |
Open |
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10 |
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pF |
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CPD |
Power Dissipation Capacitance |
5.0 |
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6 |
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pF |
(Note 3) |
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Figure 2 |
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Note 3: CPD is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (ICCD) at no output loading and operating at 50% duty cycle. (See Figure 2.) CPD is related to ICCD dynamic operating current by the expression:
ICCD = (CPD)(VCC)(fIN) + (ICCstatic).
AC Loading and Waveforms
CL includes load and stray capacitance
Input PRR = 1.0 MHz; tw = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 3. AC Waveforms
Input = AC Waveform; PRR = variable; Duty Cycle = 50%
FIGURE 2. ICCD Test Circuit
NC7ST08
3 |
www.fairchildsemi.com |
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