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参数资料
| 型号： | DS1021S-25+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC DELAY LINE 256TAP 16-SOIC |
| 标准包装： | 1,000 |
| 标片/步级数： | 256 |
| 功能： | 可编程 |
| 延迟到第一抽头： | 10ns |
| 接头增量： | 0.25ns |
| 可用的总延迟： | 73.75ns |
| 独立延迟数： | 1 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 带卷 (TR) |
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111799
FEATURES
All-silicon time delay
Models with 0.25 ns and 0.5 ns steps
Programmable using 3-wire serial port or 8-
bit parallel port
Leading and trailing edge accuracy
Economical
Auto-insertable, low profile, 16-pin SOIC
package
Low-power CMOS
TTL/CMOS-compatible
Vapor phase, IR and wave solderable
PIN ASSIGNMENT
PIN DESCRIPTION
IN
- Delay Input
P0-P7
- Parallel Program Pins
GND
- Ground
OUT
- Delay Output
VCC
- +5 Volts
S
- Mode Select
E- Enable
C
- Serial Port Clock
Q
- Serial Data Output
D
- Serial Data Input
DESCRIPTION
The DS1021 Programmable 8-Bit Silicon Delay Line consists of an 8-bit, user-programmable CMOS
silicon integrated circuit. Delay values, programmed using either the 3-wire serial port or the 8-bit
parallel port, can be varied over 256 equal steps. The faster model (-25) offers a maximum delay of 73.75
ns with an incremental delay of 0.25 ns, while the slower model (-50) has a maximum delay of 137.5 ns
with an incremental delay of 0.5 ns. Both models have an inherent (step zero) delay of 10 ns. After the
user-determined delay, the input logic state is reproduced at the output without inversion. The DS1021 is
TTL- and CMOS-compatible, capable of driving 10 74LS-type loads, and features both rising and falling
edge accuracy.
The all-CMOS DS1021 integrated circuit has been designed as a reliable, economic alternative to hybrid
programmable delay lines. It is offered in a space-saving surface mount 16-pin SOIC.
DS1021
Programmable 8-Bit
Silicon Delay Line
www.dalsemi.com
DS1021S 16-Pin SOIC (300-mil)
See Mech. Drawings Section
IN
E
Q/PO
P1
P3
P2
GND
OUT
P6
P5
D
C
P7
VCC
1
2
3
4
5
6
7
16
15
14
13
12
8
9
10
11
P4
S
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1021S-50 | 功能描述:延迟线/计时元素 RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 传播延迟时间:1000 ps 工作温度范围: 封装 / 箱体:QFN-24 封装:Tube |
| DS1021S-50/T&R | 制造商:Maxim Integrated Products 功能描述:IC DEL LN 256TAP 137.5NS 16SOIC |
| DS1021S-50/T&R | 功能描述:延迟线/计时元素 RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 传播延迟时间:1000 ps 工作温度范围: 封装 / 箱体:QFN-24 封装:Tube |
| DS1021S-50+ | 功能描述:延迟线/计时元素 Programmable 8-Bit .5ns Delay Line RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 传播延迟时间:1000 ps 工作温度范围: 封装 / 箱体:QFN-24 封装:Tube |
| DS1021S-50+T&R | 制造商:Maxim Integrated Products 功能描述:IC DEL LN 256TAP 137.5NS 16SOIC |
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