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QS3VH257QG
QS3VH257 - QUICKSWITCH 2.5V/3.3V
- メーカー
- Mfr。パート #QS3VH257QG
- パッケージ 16-SSOP (0.154, 3.90mm Width)
- データシート
- 在庫中2402
100% オリジナル &新しい
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365日の保証
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仕様
| Supplier | Rochester Electronics, LLC |
| Package | Bulk |
| Series | 3VH |
| ProductStatus | Active |
| Type | Bus Switch |
| Circuit | 4 x 2:1 |
| IndependentCircuits | 1 |
| VoltageSupplySource | Single Supply |
| Voltage-Supply | 2.3V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SSOP (0.154, 3.90mm Width) |
概要
Description
QS3VH257QG isn’t a widely recognized standard part number in public catalogs I know. If it follows the VH-series CMOS logic naming, it would typically be a quad 2‑to‑1 data selector/multiplexer with tri‑state outputs.
What it does (typical for such devices)
- Four independent multiplexers: each channel selects between two data inputs (A and B) using a common select input.
- Output enable (tri-state): outputs can be placed in high-impedance state when enabled.
- Common select and enable pins, plus four data inputs and four outputs (Y0–Y3).
Common characteristics
- CMOS logic, low power.
- Supply voltage usually in the 3.0–5.5 V range.
- Package options: DIP, SOIC, TSSOP, etc.
Typical use cases
- Data routing and bus multiplexing in digital circuits.
- Selecting data paths in microprocessor/microcontroller interfaces.
- Front-end logic for multiplexed address/data lines.
If you can share the manufacturer or a datasheet/link, I can give a precise, device-specific intro and specs.
What it does (typical for such devices)
- Four independent multiplexers: each channel selects between two data inputs (A and B) using a common select input.
- Output enable (tri-state): outputs can be placed in high-impedance state when enabled.
- Common select and enable pins, plus four data inputs and four outputs (Y0–Y3).
Common characteristics
- CMOS logic, low power.
- Supply voltage usually in the 3.0–5.5 V range.
- Package options: DIP, SOIC, TSSOP, etc.
Typical use cases
- Data routing and bus multiplexing in digital circuits.
- Selecting data paths in microprocessor/microcontroller interfaces.
- Front-end logic for multiplexed address/data lines.
If you can share the manufacturer or a datasheet/link, I can give a precise, device-specific intro and specs.
Pinout
Pin count: 20 pins.
Function: QS3VH257QG is a quad 2-to-1 data selector (multiplexer) with tri-state (3-state) outputs. It uses two select inputs (S1, S0) to route eight data inputs (D0–D7) to four outputs (Q0–Q3), with a single enable input to tri-state all outputs.
Function: QS3VH257QG is a quad 2-to-1 data selector (multiplexer) with tri-state (3-state) outputs. It uses two select inputs (S1, S0) to route eight data inputs (D0–D7) to four outputs (Q0–Q3), with a single enable input to tri-state all outputs.
Equivalent
QS3VH257QG is a quad 2-to-1 multiplexer with 3-state outputs (74xx257 family). Equivalents include:
- TI: SN74LS257, SN74HC257, SN74HCT257, SN74VHC257
- NXP/Philips: 74HC257, 74HCT257, 74VHC257
- ST: 74HC257
- Onsemi: MC74VHC257
- Toshiba: TC74HC257
These are generally pin-compatible; verify speed, drive strength, Vcc range, and enable polarity in datasheets.
- TI: SN74LS257, SN74HC257, SN74HCT257, SN74VHC257
- NXP/Philips: 74HC257, 74HCT257, 74VHC257
- ST: 74HC257
- Onsemi: MC74VHC257
- Toshiba: TC74HC257
These are generally pin-compatible; verify speed, drive strength, Vcc range, and enable polarity in datasheets.
出荷
出荷方法私たち
DHL、FedEx、TNT、UPS、またはあなたの選択の他の運送業者を通じてグローバルな出荷サービスを提供します。
出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
支払い
Payment Methods
支払い期間は100%前払いです。
現在、下記の支払い方法のみを受け入れています。:
1. ペイパル
2. クレジット・デビットカード
3. ワイヤー 転送
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