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參數資料
| 型號： | 74F243 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad transceiver (3-State)(四收發(fā)器（三態(tài)）) |
| 中文描述： | 四收發(fā)器（3態(tài)）（四收發(fā)器（三態(tài)）） |
| 文件頁數： | 2/10頁 |
| 文件大?。?/td> | 84K |
| 代理商： | 74F243 |
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
V
CC
B1
B2
B3
B0
OE
B
NC
OE
A
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
V
CC
= 5V
±
10%,
T
amb
= 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
μ
A/1.0mA
An, Bn
Data inputs (74F243)
3.5/2.67
70
μ
A/1.6mA
OE
A
Output enable input (active Low)
1.0/1.67
20
μ
A/1.0mA
OE
B
Output enable input
1.0/1.67
20
μ
A/1.0mA
An, Bn
Data outputs
750/106.7
15mA/64mA
NOTE:
One (1.0) FAST unit load is defined as: 20
μ
A in the High state and 0.6mA in the Low state.
LOGIC SYMBOLS
B0
B1
B2
B3
11
10
9
8
V
= Pin 14
GND = Pin 7
1
13
A1
A2
5
6
SF00767
A3
A0
3
4
OE
A
OE
B
74F242
B0
B1
B2
B3
11
10
9
8
V
= Pin 14
GND = Pin 7
1
13
A1
A2
5
6
SF00768
A3
A0
3
4
OE
A
OE
B
74F243
相關PDF資料 |
PDF描述 |
|---|---|
| 74F242 | Quad transceiver, inverting (3-State)(四收發(fā)器，反向（三態(tài)）) |
| 74F244 | Octal buffers 3-State |
| 74F244B | Octal buffers 3-State |
| 74F244MSA | Octal Buffers/Line Drivers with TRI-STATE Outputs |
| 74F244PC | Octal Buffers/Line Drivers with TRI-STATE Outputs |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F243 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| 74F243DC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver |
| 74F243DCQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243DCX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
| 74F243DMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad Bus Transceiver with TRI-STATE Outputs |
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