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74VHC27T 반도체 회로 부품 판매점

TRIPLE 3-INPUT NOR GATE



STMicroelectronics 로고
STMicroelectronics
74VHC27T 데이터시트, 핀배열, 회로
® 74VHC27
TRIPLE 3-INPUT NOR GATE
s HIGH SPEED: tPD = 4.1 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 2 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s POWER DOWN PROTECTION ON INPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 27
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74VHC27 is an advanced high-speed CMOS
TRIPLE 3-INPUT NOR GATE fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
The internal circuit is composed of 3 stages
PRELIMINARY DATA
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74VHC27M
74VHC27T
including buffer output, which provides high noise
immunity and stable output.
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 1999
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74VHC27T 데이터시트, 핀배열, 회로
74VHC27
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 3, 9
2, 4, 10
13, 5, 11
12, 6, 8
7
14
S Y M B OL
1A to 3A
1B to 3B
1C to 3C
1Y to 3Y
GND
VCC
NAME AND FUNCTION
Data Inputs
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
ABCY
LLLH
HXX L
XHX L
XXH L
X:”H” or ”L”
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
- 20 mA
IOK DC Output Diode Current
± 20 mA
IO DC Output Current
± 25 mA
ICC or IGND DC VCC or Ground Current
± 50 mA
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage
Top Operating Temperature
dt/dv Input Rise and Fall Time (see note 1) (VCC = 3.3 ± 0.3V)
(V CC = 5.0 ± 0.5V)
1) VIN from 30% to70%of VCC
Valu e
2.0 to 5.5
0 to 5.5
0 to VCC
-40 to +85
0 to 100
0 to 20
Unit
V
V
V
oC
ns/V
ns/V
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74VHC27T gate

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