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DS1045
4位、双路、可编程延迟线


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型号 状态
DS1045 状况:生产中,但该系列产品中的某些型号已进入最后一次购买期限。请查看订购信息

概述
完整的数据资料 (PDF, 128kB)
英文 下载数据资料(PDF)下载
The DS1045 is a programmable silicon delay line having one input and two 4-bit programmable delay outputs. Each 4-bit programmable output offers the user 16 possible delay values to select from, starting with a minimum inherent DS1045 delay of 9ns and a maximum achievable delay in the standard DS1045 family of 84ns. The standard DS1045 product line provides the user with three devices having uniform delay increments of 3ns, 4ns, and 5ns, depending on the device. Table 1 presents standard device family and delay capability. Additionally, custom delay increments are available for special order through Dallas Semiconductor.

The DS1045 is TTL and CMOS-compatible and capable of driving ten 74LS-type loads. The output produced by the DS1045 is both rising and falling edge precise. The DS1045 programmable silicon delay line has been designed as a reliable, economic alternative to hybrid programmable delay lines. It is offered in a space-saving surface-mount 16-pin SO package.

关键特性
  • All-silicon time delay
  • Two programmable outputs from a single input produce output-to-output delays between 9ns and 84ns depending on device type
  • Programmable via four input pins
  • Programmable increments of 3ns to 5ns with a minimum of 9ns and a maximum of 84ns
  • Output pulse is a reproduction of input pulse after
  • Delay with both leading and trailing edge accuracy
  • Surface mount 16-pin SOIC
  • Auto-insertable
  • Low-power CMOS design is TTL-compatible

Key Specifications:  Delay Lines (Programmable)
Part Number Functions Prog. Steps Prog. Step Size
(ns)
Delay/ PW
(ns)
Delay/ PW
(ns)
Prog. I/F VSUPPLY
(V)
ΔVSUPPLY Package/Pins Smallest Available Pckg.
(mm2)
Price
min max max w/pins See Notes
DS1045-3  Delay Line 16 3 9 54 2 x 4-Bit Parallel 5 ±5%
PDIP(N)/16
158 $13.65 @1k
DS1045-4  4 69
PDIP(N)/16
-
查看所有Delay Lines (Programmable) (16)

图表
DS1045:原理框图
原理框图

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    2004-04-26
    本页最后一次更新: 2009-10-26


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