The NC7ST08 is a single 2-In put high pe rform anc e CMOS
AND Gate, with TTL-compatible inputs. Ad vanced Silicon
Gate CMOS fabrication assures high speed and low power
circuit operation. E SD protection diodes inherently g uard
both inputs and outpu t with respect to the V
rails. High gain circuitry offers high noise immunity and
reduced sensitivity to input edge rate. The TTL-compa tible
inputs facilitate TTL to NMOS/CMOS inte rfacing. Device
performance is similar to MM74HCT but with 1/2 the output
current drive of HC/HCT.
HST 2-Input AND Gate
Features
■ Space saving SOT23 or SC70 5-lead package
■ Ultra small MicroPak
■ High Speed:
t
6 ns (typ), VCC = 5V, CL = 15 pF, TA = 25°C
and GND
CC
PD
■ Low Quiescent Power, I
■ Balanced Output Drive; 2 mA I
■ TTL-compatible inputs
leadless package
< 1 µA, VCC = 5.5V
CC
, −2 mA I
OL
OH
Ordering Code:
OrderPackage Product Code
NumberNumberTop Mark
NC7ST08M5XMA05B8S085-Lead SOT23, JEDEC MO-178, 1.6mm3k Units on Tape and Reel
NC7ST08P5XMAA05AT085-Lead SC70, EIAJ SC-88a, 1.25mm Wide 3k Units on Tape and Reel
NC7ST08L6XMAC06ANN6-Lead MicroPak, 1.0mm Wide5k Units on Tape and Reel
Logic Symbol
IEEE/IEC
Package Descript ionSupplied As
Connection Diagrams
Pin Assignme nts for SC70 and SOT23
HST 2-Input AND Gate
Pin Descriptions
Pin NamesDescription
A, BInputs
YOutput
NCNo Connect
Pad Assignment for MicroPak
(Top View)
Function Table
Y = AB
InputsOutput
ABY
LLL
LHL
HLL
HHH
H = HIGH Logic Le v elL = LOW Logic Lev el
TinyLogic is a registered tradema rk of F airc hild Semiconduct or Corporation.
MicroPak is a tradem ark of Fairchild Semiconductor Corporation.
Absolute Maximum Ratings(Note 1)Recommended Operating
Supply Voltage (VCC)−0.5V to +7.0V
DC Input Diode Current (I
NC7ST08
@V
<−0.5V−20 mA
IN
≥ VCC + 0.5V+20 mA
@V
IN
DC Input Voltage (V
DC Output Diode Current (I
<−0.5V−20 mA
V
OUT
V
> VCC + 0.5V+20 mA
OUT
Output Voltage (V
)
IK
)−0.5V to VCC + 0.5V
IN
OUT
)
OK
)−0.5V to VCC + 0.5V
DC Output Source or Sink Current
)±12.5 mA
(I
OUT
DC V
or Ground Current per
CC
Supply Pin (I
Storage Temperature (T
Junction Temperature (T
Lead Temperature (T
or I
CC
)±25 mA
GND
) −65°C to +150°C
STG
)150°C
J
);
L
(Soldering, 10 seconds)260
Power Dissipation (P
) @+85°C
D
SOT23-5200 mW
SC70-5150 mW
Conditions
Supply Voltage4.5V to 5.5V
Input Voltage (V
Output Voltage (V
Operating Temperature (TA)−40°C to +85°C
Input Rise and Fall Time (t
V
= 5.0V0 ns to 500 ns
CC
Thermal Resistance (
SOT23-5300
SC70-5425
Note 1: Absolute Maximum Ratings a re those va lues beyon d which d amage to the device may occu r. The databook specifica tions should be met ,
°C
without exception, t o ensure that the system design is reliab le over its
power supply, temperature, an d output/input loading variables. F airchild
does not recom mend op eration of circuits o utside th e databoo k specific ations.
Note 2: Unused inputs must be held HIGH or LOW. They may not float.
(Note 2)
)0.0V to V
IN
)0V to V
OUT
, tf)
r
θ
)
JA
DC Electrical Characteristics
SymbolParameter
HIGH Level Input Voltage4.5–5.52.02.0V
V
IH
V
LOW Level Input Voltage4.5–5.50.80.8V
IL
V
HIGH Level Output Voltage4.54.44.54.4
OH
V
LOW Level Output Voltage4.500.10.1
OL
I
Input Leakage Current5.5±0.1±1.0V0 ≤ VIN ≤ 5.5V
IN
Quiescent Supply Current5.51.010.0µAVIN = VCC or GND
I
CC
I
CCTICC
per Input5.52.02.9mAOne Input VIN = 0.5V or 2.4V,
V
CC
(V)MinTypMaxMinMax
4.54.184.354.13IOH =−2 mA
4.50.100.260.33I
TA =+25°CT
= 40°C to +85°C
A
UnitsConditions
V
V
IOH =−20 µA
VIN = V
IH
IOL = 20 µA
= 2 mA
OL
VIN = V
IL
Other Input VCC or GND
CC
CC
°C/W
°C/W
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Page 3
AC Electrical Characteristics
V
SymbolParameter
t
, Propagation Delay5.0412
PLH
t
PHL
CC
(V)MinTypMaxMinMaxNumber
4.561620
5.551418
,Output Transition Time5.0410ns CL = 15 pF
t
TLH
t
THL
4.5112531
5.5102126
C
Input Capacitance Open10pF
IN
C
Power Dissipation Capacitance 5.06pF (Note 3)Figure 2
PD
Note 3: CPD is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption (I
loading and operating at 50% duty cycle. (See Figure 2.) C
= (CPD)(VCC)(fIN) + (ICCstatic).
I
CCD
TA =+25°CT
617
122731
112630
is related to I
PD
dynamic operating current by the express ion:
CCD
= 40°C to +85°C
A
UnitsConditions
ns C
= 15 pF
L
ns C
= 50 pF
L
ns CL = 50 pF
AC Loading and Waveforms
) at no output
CCD
Figure
Figures
1, 3
Figures
1, 3
NC7ST08
CL includes load and s tr ay c apacitance
Input PR R = 1.0 MHz; t
= 500 ns
w
FIGURE 1. AC Test Circuit
Input = AC Wavefor m; PRR = variable; Duty Cycle = 50%
Fairchild does not assume any responsibility for use of any circuitr y described, no circuit patent licenses are implied a nd
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 device s or syste ms
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 inju ry to the
user.
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2. A critical component in any compon ent of a l ife supp ort
device or system whose failu re to perform can be reasonably expected to cause the failure of the li fe su pp ort
device or system, or to affect its safety or effectiveness.
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