ZHCSUM1C March   1993  – February 2024 SN75ALS1177 , SN75ALS1178

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Driver Section
      1. 5.4.1 Electrical Characteristics
      2. 5.4.2 Switching Characteristics
    5. 5.5 Receiver Section
      1. 5.5.1 Electrical Characteristics
      2. 5.5.2 Switching Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Device Functional Modes
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • NS|16
  • N|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

4 Pin Configuration and Functions

GUID-CA717F3E-22F6-44C1-927A-0FA6BCF9F431-low.png Figure 4-1 SN75ALS1177: N or NS Package
(Top View)
PIN TYPE DESCRIPTION
NAME SO TSSOP
1A 2 2 I RS422 differential input (non-inverting) to receiver 1
2A 6 6 I RS422 differential input (non-inverting) to receiver 2
1B 1 1 I RS422 differential input (inverting) to receiver 1
2B 7 7 I RS422 differential input (inverting) to receiver 2
1D 15 15 I Logic data input to RS422 driver 1
2D 9 9 I Logic data input to RS422 driver 2
DE 12 12 I Driver enable (active high)
GND 8 8 — Device ground pin
1R 3 3 O Logic data output of RS422 receiver 1
2R 5 5 O Logic data output of RS422 receiver 2
RE 4 4 I Receiver enable pin (active low)
VCC 16 16 — Power supply
1Y 14 14 O RS-422 differential (non-inverting) driver output 1
2Y 10 10 O RS-422 differential (non-inverting) driver output 2
1Z 13 13 O RS-422 differential (inverting) driver output 1
2Z 11 11 O RS-422 differential (inverting) driver output 2
GUID-28E06C95-34CD-45B2-B56E-B6F7C09D64EA-low.png Figure 4-2 SN75ALS1178: N or NS Package
(Top View)
PINT TYPE DESCRIPTION
NAME SO TSSOP
1A 2 2 I RS422 differential input (non-inverting) to receiver 1
2A 6 6 I RS422 differential input (non-inverting) to receiver 2
1B 1 1 I RS422 differential input (inverting) to receiver 1
2B 7 7 I RS422 differential input (inverting) to receiver 2
1D 15 15 I Logic data input to RS422 driver 1
2D 9 9 I Logic data input to RS422 driver 2
1DE 4 4 I Driver 1 enable (active high)
2DE 12 12 I Driver 2 enable (active high)
GND 8 8 — Device ground
1R 3 3 O Logic data output of RS422 receiver 1
2R 5 5 O Logic data output of RS422 receiver 2
VCC 16 16 — Power supply
1Y 14 14 O RS-422 differential (non-inverting) driver output 1
2Y 10 10 O RS-422 differential (non-inverting) driver output 2
1Z 13 13 O RS-422 differential (non-inverting) driver output 1
2Z 11 11 O RS-422 differential (non-inverting) driver output 2