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74HC27BQ Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. 74HC27BQ
Description  Triple 3-input NOR gate
Download  16 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC27BQ Datasheet(HTML) 6 Page - NXP Semiconductors

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74HC_HCT27_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 7 January 2008
6 of 16
NXP Semiconductors
74HC27; 74HCT27
Triple 3-input NOR gate
10. Dynamic characteristics
74HCT27
VIH
HIGH-level
input voltage
VCC = 4.5 V to 5.5 V
2.0
1.6
-
2.0
-
2.0
-
V
VIL
LOW-level
input voltage
VCC = 4.5 V to 5.5 V
-
1.2
0.8
-
0.8
-
0.8
V
VOH
HIGH-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO = −20 µA
4.4
4.5
-
4.4
-
4.4
-
V
IO = −4.0 mA
3.98 4.32
-
3.84
-
3.7
-
V
VOL
LOW-level
output voltage
VI =VIH or VIL; VCC = 4.5 V
IO =20 µA
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA
-
0.16
0.26
-
0.33
-
0.4
V
II
input leakage
current
VI =VCC or GND;
VCC = 5.5 V
--
±0.1
-
±1.0
-
±1.0
µA
ICC
supply current VI =VCC or GND;
VCC = 5.5 V; IO =0A
-
-
2.0
-
20
-
40
µA
∆ICC
additional
supply current
per input pin;
VI =VCC − 2.1 V;
other inputs at VCC or GND;
VCC = 4.5 V to 5.5 V;
IO =0A
nA, nB or nC inputs
-
150
540
-
675
-
735
µA
CI
input
capacitance
-
3.5
-
-
-
-
-
pF
Table 6.
Static characteristics type 74HC27; 74HCT27 …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25
°C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
Table 7.
Dynamic characteristics type 74HC27; 74HCT27
GND = 0 V; for load circuit see Figure 7.
Symbol Parameter
Conditions
25
°C
−40 °C to +125 °C Unit
Min
Typ
Max
Max
(85
°C)
Max
(125
°C)
74HC27
tpd
propagation delay
nA, nB, nC to nY; see Figure 6
[1]
VCC = 2.0 V
-
28
90
115
135
ns
VCC = 4.5 V
-
10
18
23
27
ns
VCC = 5.0 V; CL =15pF
-
8
-
-
-
ns
VCC = 6.0 V
-
8
15
20
23
ns
tt
transition time
see Figure 6
[2]
VCC = 2.0 V
-
19
75
95
110
ns
VCC = 4.5 V
-
7
15
19
22
ns
VCC = 6.0 V
-
6
13
16
19
ns


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