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參數資料
| 型號： | DS1021 |
| 英文描述： | Programmable 8-Bit Silicon Delay Line |
| 中文描述： | 可編程、8位、硅延遲線 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 193K |
| 代理商： | DS1021 |
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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
P0-P7
GND
OUT
V
CC
S
E
C
Q
D
- Delay Input
- Parallel Program Pins
- Ground
- Delay Output
- +5 Volts
- Mode Select
- Enable
- Serial Port Clock
- Serial Data Output
- 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
P2
P3
P4
GND
OUT
S
P6
C
P5
D
P7
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
9
10
相關PDF資料 |
PDF描述 |
|---|---|
| DS1020-25 | Programmable 8-Bit Silicon Delay Line |
| DS1020-50 | Programmable 8-Bit Silicon Delay Line |
| DS1021-25 | ENDPLATE FOR SRU4/SR4-T15/SRM4 |
| DS1021-50 | Programmable 8-Bit Silicon Delay Line |
| DS1023-025 | 8-Bit Programmable Timing Element |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1021-25 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Programmable 8-Bit Silicon Delay Line |
| DS1021-50 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Programmable 8-Bit Silicon Delay Line |
| DS1021S-25 | 功能描述:延遲線/計時元素 RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 傳播延遲時間:1000 ps 工作溫度范圍: 封裝 / 箱體:QFN-24 封裝:Tube |
| DS1021S-25/T&R | 制造商:Maxim Integrated Products 功能描述:IC DEL LN 256TAP 73.75NS 16SOIC |
| DS1021S-25/T&R | 功能描述:延遲線/計時元素 RoHS:否 制造商:Micrel 功能:Active Programmable Delay Line 傳播延遲時間:1000 ps 工作溫度范圍: 封裝 / 箱體:QFN-24 封裝:Tube |
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