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參數資料
| 型號： | 74LVT244WMX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs |
| 中文描述： | LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 84K |
| 代理商： | 74LVT244WMX |
1999 Fairchild Semiconductor Corporation
DS500154
www.fairchildsemi.com
July 1999
Revised August 1999
7
74LVT244 74LVTH244
Low Voltage Octal Buffer/Line Driver
with 3-STATE Outputs
General Description
The LVT244 and LVTH244 are octal buffers and line drivers
designed to be employed as memory address drivers,
clock drivers and bus oriented transmitters or receivers
which provide improved PC board density.
The LVTH244 data inputs include bushold, eliminating the
need for external pull-up resistors to hold unused inputs.
These octal buffers and line drivers are designed for low-
voltage (3.3V) V
CC
applications, but with the capability to
provide a TTL interface to a 5V environment. The LVT244
and LVTH244 are fabricated with an advanced BiCMOS
technology to achieve high speed operation similar to 5V
ABT while maintaining low power dissipation.
Features
I
Input and output interface capability to systems at
5V V
CC
I
Bushold data inputs eliminate the need for external
pull-up resistors to hold unused inputs (74LVTH244),
also available without bushold feature (74LVT244)
I
Live insertion/extraction permitted
I
Power Up/Down high impedance provides glitch-free
bus loading
I
Outputs source/sink
32 mA/
+
64 mA
I
Functionally compatible with the 74 series 244
I
Latch-up performance exceeds 500 mA
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
IEEE/IEC
Order Number
74LVT244WM
74LVT244SJ
74LVT244MSA
74LVT244MTC
74LVTH244WM
74LVTH244SJ
74LVTH244MSA
74LVTH244MTC
Package Number
M20B
M20D
MSA20
MTC20
M20B
M20D
MSA20
MTC20
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 Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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 Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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| 74LVT245BBQ,115 | 功能描述:總線收發器 OCTAL TRANSCEIVER RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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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| 74LVT245BBQ-G | 功能描述:總線收發器 OCTAL TRANSCEIVER RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量: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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