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參數(shù)資料
| 型號： | 74FR244 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Octal Buffer/Line Driver with 3-STATE Outputs |
| 中文描述： | 八路緩沖器/線路驅(qū)動器的3態(tài)輸出 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 50K |
| 代理商： | 74FR244 |
1999 Fairchild Semiconductor Corporation
DS010900
www.fairchildsemi.com
December 1990
Revised August 1999
7
74FR244
Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The 74FR244 is a non-inverting octal buffer and line driver
designed to be employed as memory and address driver,
clock driver and bus-oriented transmitter/receiver.
Features
I
3-STATE outputs drive bus lines or buffer memory
address registers
I
Outputs sink 64 mA and source 15 mA
I
Guaranteed pin-to-pin skew
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Descriptions
Truth Tables
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
Order Number
74FR244SC
74FR244SJ
74FR244PC
Package Number
M20B
M20D
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
Description
OE
1
,–OE
2
I
0
–I
7
O
0
–O
7
Output Enable Input (Active-LOW)
Inputs
Outputs
Inputs
Outputs
OE
1
L
L
H
I
n
L
H
X
(Pins 12, 14, 16, 18)
L
H
Z
Inputs
Outputs
OE
2
L
L
H
I
n
L
H
X
(Pins 3, 5, 7, 9)
L
H
Z
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74FR244PC | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74FR244SC | Octal Buffer/Line Driver with 3-STATE Outputs |
| 74FR244SJ | Flat Core Ferrite; Package/Case:Flat Ferrite Core; Frequency Max:100MHz; Mounting Type:Surface Mount; Cable Width:0.51"; External Depth:0.52"; External Width:0.75"; Frequency:100MHz; Impedance:49ohm; Length:1.244" RoHS Compliant: Yes |
| 74LCX126MTC | Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs |
| 74LCX126M | Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74FR244_01 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Octal Buffer/Line Driver with 3-STATE Outputs |
| 74FR244_XDB3026T WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74FR244_XDC3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74FR244PC | 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74FR244PC_Q | 功能描述:緩沖器和線路驅(qū)動器 Octal Buf/Line Drv RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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