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參數(shù)資料
| 型號： | 74F245SC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Bidirectional Transceiver with 3-STATE Outputs |
| 中文描述： | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 91K |
| 代理商： | 74F245SC |
Philips Semiconductors
Product specification
74F245
Octal transceiver (3-State)
November 15, 1994
3
LOGIC DIAGRAM
SF00201
18
B0
17
B1
16
B2
15
B3
14
B4
13
B5
12
B6
11
B7
A0
A1
A2
A3
A4
A5
A6
A7
2
3
4
5
6
7
8
9
19
1
OE
T/R
V
= Pin 20
GND = Pin 10
FUNCTION TABLE
INPUTS
OUTPUTS
OE
T/R
L
L
Bus B data to Bus A
L
H
Bus A data to Bus B
H
X
Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
V
IN
I
IN
V
OUT
Supply voltage
–0.5 to +7.0
V
Input voltage
–0.5 to +7.0
V
Input current
–30 to +5
mA
Voltage applied to output in High output state
–0.5 to +5.5
V
I
OUT
Current applied to output in Low output state
A0–A7
48
mA
B0–B7
128
mA
T
amb
T
stg
Operating free-air temperature range
0 to +70
°
C
°
C
Storage temperature range
–65 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
V
IH
V
IL
I
IK
Supply voltage
4.5
5.0
5.5
V
High-level input voltage
2.0
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
I
OH
High level output current
High-level output current
A0–A7
–3
mA
B0–B7
–15
mA
I
OL
Low level output current
Low-level output current
A0–A7
24
mA
B0–B7
64
mA
T
amb
Operating free-air temperature range
0
+70
°
C
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| 74F245SJ | Octal Bidirectional Transceiver with 3-STATE Outputs |
| 74F251A | 8-input multiplexer 3-State |
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| 74F256 | Dual addressable latch |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74F245SC | 制造商:Fairchild Semiconductor Corporation 功能描述:74F FAST TTL SMD 74F245 SOIC20 |
| 74F245SC_Q | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74F245SC-NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Bidirectional Transceiver with 3-STATE Outputs |
| 74F245SCX | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74F245SJ | 功能描述:總線收發(fā)器 Octal Bidir Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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