Datasheet Texas Instruments SN74HC257 — 数据表
制造商 | Texas Instruments |
系列 | SN74HC257 |
具有三态输出的四路2线至1线数据选择器/多路复用器
数据表
SN54HC257, SN54HC258, SN74HC257, SN74HC258 datasheet
PDF, 1.1 Mb, 修订版: B, 档案已发布: Sep 15, 2003
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价格
状态
SN74HC257D | SN74HC257DG4 | SN74HC257DR | SN74HC257DRE4 | SN74HC257DRG4 | SN74HC257DT | SN74HC257N | SN74HC257NE4 | SN74HC257NSR | SN74HC257PW | SN74HC257PWLE | SN74HC257PWR | SN74HC257PWRG4 | SN74HC257PWT | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Obsolete (Manufacturer has discontinued the production of the device) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
Manufacture's Sample Availability | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
打包
SN74HC257D | SN74HC257DG4 | SN74HC257DR | SN74HC257DRE4 | SN74HC257DRG4 | SN74HC257DT | SN74HC257N | SN74HC257NE4 | SN74HC257NSR | SN74HC257PW | SN74HC257PWLE | SN74HC257PWR | SN74HC257PWRG4 | SN74HC257PWT | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
Pin | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Package Type | D | D | D | D | D | D | N | N | NS | PW | PW | PW | PW | PW |
Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SOP | TSSOP | TSSOP | TSSOP | TSSOP | TSSOP |
JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
Package QTY | 40 | 40 | 2500 | 2500 | 2500 | 250 | 25 | 25 | 2000 | 90 | 2000 | 2000 | 250 | |
Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | SMALL T&R | TUBE | TUBE | LARGE T&R | TUBE | LARGE T&R | LARGE T&R | SMALL T&R | |
Device Marking | HC257 | HC257 | HC257 | HC257 | HC257 | HC257 | SN74HC257N | SN74HC257N | HC257 | HC257 | HC257 | HC257 | HC257 | |
Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 | 5.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
Length (mm) | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 19.3 | 19.3 | 10.3 | 5 | 5 | 5 | 5 | 5 |
Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 | 1.95 | 1 | 1 | 1 | 1 | 1 |
Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 | 1.27 | .65 | .65 | .65 | .65 | .65 |
Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 | 2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 |
参数化
Parameters / Models | SN74HC257D | SN74HC257DG4 | SN74HC257DR | SN74HC257DRE4 | SN74HC257DRG4 | SN74HC257DT | SN74HC257N | SN74HC257NE4 | SN74HC257NSR | SN74HC257PW | SN74HC257PWLE | SN74HC257PWR | SN74HC257PWRG4 | SN74HC257PWT |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Approx. Price (US$) | 0.14 | 1ku | 0.14 | 1ku | ||||||||||||
Bandwidth, MHz | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | ||
Bandwidth(MHz) | 28 | |||||||||||||
Bits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||
Bits(#) | 2 | 2 | ||||||||||||
Number of Channels | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
Channels(#) | 4 | 4 | ||||||||||||
Configuration | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 |
Digital input leakage(Max), uA | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | ||
Digital input leakage(Max)(uA) | 5 | |||||||||||||
ESD Charged Device Model, kV | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | ||
ESD Charged Device Model(kV) | 0.75 | |||||||||||||
ESD HBM, kV | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||
ESD HBM(kV) | 2 | |||||||||||||
F @ Nom Voltage(Max), Mhz | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | ||
F @ Nom Voltage(Max)(Mhz) | 28 | 28 | ||||||||||||
Function | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer |
ICC @ Nom Voltage(Max), mA | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | ||
ICC @ Nom Voltage(Max)(mA) | 0.08 | 0.08 | ||||||||||||
Input Type | LVTTL/CMOS | |||||||||||||
Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | ||
Operating Temperature Range(C) | -40 to 85 | -40 to 85 | ||||||||||||
Output Drive (IOL/IOH)(Max), mA | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | ||
Output Drive (IOL/IOH)(Max)(mA) | 7.8/-7.8 | 7.8/-7.8 | ||||||||||||
Output Type | CMOS | |||||||||||||
Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | SO | TSSOP | TSSOP | TSSOP | TSSOP | TSSOP |
Package Size: mm2:W x L, PKG | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) | 16SO: 80 mm2: 7.8 x 10.2(SO) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | ||
Package Size: mm2:W x L (PKG) | See datasheet (PDIP) | See datasheet (PDIP) | ||||||||||||
Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
Schmitt Trigger | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
Technology Family | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC |
Type | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output |
VCC(Max), V | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | ||
VCC(Max)(V) | 6 | 6 | ||||||||||||
VCC(Min), V | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | ||
VCC(Min)(V) | 2 | 2 | ||||||||||||
Voltage(Nom), V | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | ||
Voltage(Nom)(V) | 3.3 5 | 3.3 5 | ||||||||||||
tpd @ Nom Voltage(Max), ns | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | ||
tpd @ Nom Voltage(Max)(ns) | 25 | 25 |
生态计划
SN74HC257D | SN74HC257DG4 | SN74HC257DR | SN74HC257DRE4 | SN74HC257DRG4 | SN74HC257DT | SN74HC257N | SN74HC257NE4 | SN74HC257NSR | SN74HC257PW | SN74HC257PWLE | SN74HC257PWR | SN74HC257PWRG4 | SN74HC257PWT | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Not Compliant | Compliant | Compliant | Compliant |
Pb Free | Yes | Yes | No | Yes |
模型线
系列: SN74HC257 (14)
制造商分类
- Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders