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74F242 датащи(PDF) 2 Page - NXP Semiconductors

номер детали 74F242
подробное описание детали  Quad transceiver, inverting 3-State
PDF  10 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F242 датащи(HTML) 2 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F242/74F243
Transceivers
74F242 Quad Transceiver, Inverting (3-State)
74F243 Quad Transceiver (3-State)
2
1990 Aug 30
853–0356 00285
PIN CONFIGURATION
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
VCC
B1
B2
B3
B0
OEB
NC
OEA
NC
A3
A0
A1
A2
SF00765
TYPE
TYPICAL
PROPAGATION
DELAY
TYPICAL
SUPPLY CURRENT
(TOTAL)
74F242
4.3ns
31.2mA
74F243
4.0ns
66mA
ORDERING INFORMATION
DESCRIPTION
COMMERCIAL RANGE
VCC = 5V ±10%,
Tamb = 0°C to +70°C
PKG DWG #
14-pin plastic DIP
N74F242N, N74F243N
SOT27-1
14-pin plastic SO
N74F242D, N74F243D
SOT108-1
INPUT AND OUTPUT LOADING AND FAN-OUT TABLE
PINS
DESCRIPTION
74F (U.L.) HIGH/LOW
LOAD VALUE HIGH/LOW
An, Bn
Data inputs (74F242)
3.5/1.67
70
µA/1.0mA
An, Bn
Data inputs (74F243)
3.5/2.67
70
µA/1.6mA
OEA
Output enable input (active Low)
1.0/1.67
20
µA/1.0mA
OEB
Output enable input
1.0/1.67
20
µA/1.0mA
An, Bn
Data outputs
750/106.7
15mA/64mA
NOTE: One (1.0) FAST unit load is defined as: 20
µA in the High state and 0.6mA in the Low state.
LOGIC SYMBOLS
B0
B1
B2
B3
11
10
98
VCC = Pin 14
GND = Pin 7
1
13
A1
A2
56
SF00767
A3
A0
34
OEA
OEB
74F242
B0
B1
B2
B3
11
10
98
VCC = Pin 14
GND = Pin 7
1
13
A1
A2
56
SF00768
A3
A0
34
OEA
OEB
74F243



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