74LV27 查看數據表（PDF） - NXP Semiconductors.
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74LV27 Datasheet PDF : 8 Pages
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Philips Semiconductors
Triple 3-input NOR gate
Product data
74LV27
LOGIC SYMBOL
1 1A
2 1B
13 1C
3 2A
4 2B
5 2C
9 3A
10 3B
11 3C
1Y 12
2Y 6
3Y 8
LOGIC SYMBOL (IEEE/IEC)
1
≥1
2
12
13
3
≥1
4
6
5
SV00447
9
≥1
10
8
11
SV00448
LOGIC DIAGRAM
A
B
C
Y
SV00449
FUNCTION TABLE
INPUTS
nA
nB
L
L
X
X
X
H
H
X
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
OUTPUTS
nC
nY
L
H
H
L
X
L
X
L
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
VCC
VI
VO
Tamb
DC supply voltage
Input voltage
Output voltage
Operating ambient temperature range in free air
See Note 1
See DC and AC
characteristics
1.0
3.3
5.5
V
0
–
VCC
V
0
–
VCC
V
–40
–40
+85
+125
°C
VCC = 1.0 V to 2.0 V
–
–
500
tr, tf
Input rise and fall times
VCC = 2.0 V to 2.7 V
–
VCC = 2.7 V to 3.6 V
–
–
200
–
100
VCC = 3.6 V to 5.5 V
–
–
50
NOTE:
1. The LV is guaranteed to function down to VCC = 1.0 V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2 V to
VCC = 5.5 V.
ns/V
ns/V
ns/V
ns/V
2003 Mar 10
3
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