DS1020, DS1020-100 プログラマブル8ビットシリコンディレイライン

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The DS1020 is an 8-bit programmable delay line that reproduces an input logic state at the output after a user-programmed delay. Delays can be varied over 256 steps with resolutions of 0.15ns, 0.25ns, 0.50ns, 1.0ns, or 2.0ns (see table). Total delays range from an inherent 10ns minimum delay to a maximum 520ns. The DS1020 is programmed over the 3-wire serial port or the 8-pin parallel port. The DS1020 is TTL- and CMOS-compatible, and capable of driving up to ten 74LS-type loads. Both leading- and trailing-edge accuracy are specified.

The DS1020 is an effective, economical solution to the designer working with the complex timing requirements of mismatched ASICs or other components, or with the strict timing tolerances of increasing system clock rates. With the DS1020's programmable outputs, the user can precisely adjust timing to application needs and improve system performance. Innovative circuit designs and factory laser or EPROM trimming enhance accuracy without the need for external components, saving cost and space.

主な特長

All-silicon time delay
Models with 0.15ns, 0.25ns, 0.5ns, 1ns, and 2ns steps
Programmable using 3-wire serial port or 8-bit parallel port
Leading and trailing edge accuracy
Auto-insertable, low profile
Low-power CMOS with TTL compatibility
Vapor phase, IR, and wave solderable

Key Specifications: Delay Lines (Programmable)

Part Number

Functions

Number of Program Steps

Program Step Size (ns)

Minimum Delay or Pulse Width (ns)

Maximum Delay or Pulse Width (ns)

Program Interface

Supply Voltage (V)

Variation in Supply Voltage

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

DS1020-100

•	Delay Line

256

265

3-Wire Serial
8-Bit Parallel

±5%

Yes

PDIP/16
SOIC/16

$17.00 @ 1k

DS1020-15

0.15

$17.00 @ 1k

DS1020-200

520

$17.48 @ 1k

DS1020-25

0.25

$17.00 @ 1k

DS1020-50

0.5

138

$17.48 @ 1k

See All Delay Lines (Programmable) (30)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.