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參數資料
| 型號： | TC74VHC238FK |
| 廠商： | Toshiba Corporation |
| 英文描述： | 3-to-8 Line Decoder |
| 中文描述： | 3至8線譯碼器 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 273K |
| 代理商： | TC74VHC238FK |
TC74VHC238F/FN/FT/FK
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC238F,TC74VHC238FN,TC74VHC238FT,TC74VHC238FK
3-to-8 Line Decoder
The TC74VHC238 is an advanced high speed CMOS 3-to-8
DECODER fabricated with silicon gate C
2
MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
When the device is enabled, 3 Binary Select inputs (A, B and
C) determine which one of the outputs (Y0-Y7) will go High.
When enable input G1 is held low or either
held high, decoding function is inhibited and all outputs go Low.
G1
A
2
G
, and
2B
G
inputs are provided to ease cascade
connection and for use as an address decoder for memory
systems.
An input protection circuit ensures that 0 to 5.5 V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 to 3 V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
A
2
G
or
2B
G
is
High speed: t
pd
=
5.5 ns (typ.) at V
CC
=
5 V
Low power dissipation: I
CC
=
4
μ
A (max) at Ta
=
25°C
High noise immunity: V
NIH
=
V
NIL
=
28% V
CC
(min)
Power down protection is provided on all inputs.
Balanced propagation delays: t
pLH
～
t
pHL
Wide operating voltage range: V
CC (opr)
=
2 to 5.5 V
Pin and function compatible with 74ALS238
Weight
SOP16-P-300-1.27A
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A
VSSOP16-P-0030-0.50
: 0.18 g (typ.)
: 0.13 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74VHC238F
TC74VHC238FN
TC74VHC238FT
TC74VHC238FK
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| TC74VHC257FK | Quad 2-Channel Multiplexer (3-state) |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC74VHC238FK(EL) | 制造商:Toshiba America Electronic Components 功能描述:Logic,74VHC,3 to 8 Line Decoder,US16 |
| TC74VHC238FN | 功能描述:IC DECODER 3-TO-8 LINE 16-SOL RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關，多路復用器，解碼器 系列:74VHC 標準包裝:2,000 系列:74CB 類型:FET 總線開關 電路:8 x 1:1 獨立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TVSOP 包裝:帶卷 (TR) 產品目錄頁面:951 (CN2011-ZH PDF) 其它名稱:296-19129-2 |
| TC74VHC238FT(EL) | 制造商:Toshiba America Electronic Components 功能描述:IC DECODER 3-TO-8 LINE 16-TSSOP 制造商:Toshiba America Electronic Components 功能描述:Logic,C-MOS,74VHC,TC74VHC238FT 制造商:Toshiba 功能描述:Decoder/Demultiplexer Single 3-to-8 16-Pin TSSOP T/R |
| TC74VHC238FT(EL,M) | 制造商:Toshiba America Electronic Components 功能描述:IC DECODER 3-TO-8 LINE 16-TSSOP |
| TC74VHC238-FT(SPL) | 制造商:Toshiba America Electronic Components 功能描述: |
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