Hình ảnh chỉ để tham khảo
SN74HC688PWR
+BOMIC ID COMPARATOR 8BIT 20-TSSOP
-
Nhà sản xuấtTexas Dụng cụ
-
Ông. Phần #SN74HC688PWR
-
Bảng dữ liệu SN74HC688PWR DataSheet
-
Có sẵn4400
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | 74HC |
| Part Status | Active |
| Base Product Number | 74HC688 |
| Type | Identity Comparator |
| Number of Bits | 8 |
| Output | Active Low |
| Output Function | A=B |
| Voltage - Supply | 2V ~ 6V |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Max Propagation Delay @ V, Max CL | 36ns @ 6V, 50pF |
| Current - Quiescent (Iq) | 8 µA |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| Mounting Type | Surface Mount |
| Packaging | Bulk, Cut Tape (CT), Tape & Reel (TR) |
Tổng quan
Description
Key features of the SN74HC688PWR include:
- 8-bit comparison: Capable of comparing two 8-bit input values.
- Active-Low Output: Produces a low output when inputs are equal, making it useful for equality detection.
- Wide Supply Voltage Range: Operates from 2V to 6V.
- High-speed performance: Offers fast comparison speeds due to CMOS technology.
- Low power consumption: Benefits from CMOS technology to reduce power usage.
- Package Type: Available in a TSSOP (Thin-Shrink Small Outline Package) to save space on printed circuit boards.
The SN74HC688PWR is ideal for applications requiring comparison operations, such as digital sorting, equality checking, and address decoding in microprocessors and memory devices.
Equivalent
Pinout
Key pin functions include:
- Input Pins (A0 to A7, B0 to B7): These are the pins where the two 8-bit binary values are input for comparison.
- P and Q Inputs: These are additional active-low input pins that can be used for expansion or cascading purposes.
- Output Pin (EQ): This output pin goes low when the two 8-bit values are equal, and P and Q are both low.
- Ground (GND) and VCC: These pins are used to supply power to the device.
The SN74HC688PWR is commonly used in digital systems where such comparison functions are necessary, such as in address decoding or data validation applications.