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74HCT166D PDF预览

74HCT166D

更新时间: 2024-11-20 11:11:07
品牌 Logo 应用领域
安世 - NEXPERIA 光电二极管逻辑集成电路触发器
页数 文件大小 规格书
17页 274K
描述
8-bit parallel-in/serial out shift registerProduction

74HCT166D 数据手册

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74HC166; 74HCT166  
8-bit parallel-in/serial out shift register  
Rev. 5 — 9 August 2021  
Product data sheet  
1. General description  
The 74HC166; 74HCT166 is an 8-bit serial or parallel-in/serial-out shift register. The device  
features a serial data input (DS), eight parallel data inputs (D0 to D7) and a serial output (Q7).  
When the parallel enable input (PE) is LOW, the data from D0 to D7 is loaded into the shift register  
on the next LOW-to-HIGH transition of the clock input (CP). When PE is HIGH, data enters the  
register serially at DS with each LOW-to-HIGH transition of CP. When the clock enable input (CE)  
is LOW data is shifted on the LOW-to-HIGH transitions of CP. A HIGH on CE disables the CP input.  
Inputs include clamp diodes which enable the use of current limiting resistors to interface inputs to  
voltages in excess of VCC  
.
2. Features and benefits  
Wide supply voltage range from 2.0 V to 6.0 V  
CMOS low power dissipation  
High noise immunity  
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B  
Synchronous parallel-to-serial applications  
Synchronous serial input for easy expansion  
Input levels:  
For 74HC166: CMOS level  
For 74HCT166: TTL level  
Complies with JEDEC standards:  
JESD8C (2.7 V to 3.6 V)  
JESD7A (2.0 V to 6.0 V)  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
MM JESD22-A115-A exceeds 200 V  
Specified from -40 °C to +85 °C and from -40 °C to +125 °C  
3. Ordering information  
Table 1. Ordering information  
Type number Package  
Temperature range Name  
Description  
Version  
74HC166D  
-40 °C to +125 °C  
SO16  
plastic small outline package; 16 leads; body width 3.9 mm SOT109-1  
74HCT166D  
74HC166PW -40 °C to +125 °C  
74HCT166PW  
TSSOP16  
plastic thin shrink small outline package; 16 leads;  
body width 4.4 mm  
SOT403-1  
 
 
 

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