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| 型號(hào)： | PSD712S5 |
| 英文描述： | Field Programmable Microcontroller Peripherals with Supervisory Functions(可編程邏輯，4K位SRAM,27個(gè)可編程I/O,通用PLD有66個(gè)輸入) |
| 中文描述： | 現(xiàn)場(chǎng)可編程微控制器外圍設(shè)備具有監(jiān)督職能（可編程邏輯，4K的位的SRAM，27余個(gè)可編程輸入/輸出，通用PLD的有66個(gè)輸入） |
| 文件頁數(shù)： | 101/104頁 |
| 文件大?。?/td> | 515K |
| 代理商： | PSD712S5 |
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PSD7XX Family
13-101
Symbol
Parameter
1
Conditions Typical
2
Max
Unit
C
IN
C
OUT
C
VPP
Capacitance (for input pins only)
V
IN
= 0 V
V
OUT
= 0 V
V
PP
= 0 V
4
6
pF
Capacitance (for input/output pins)
8
12
pF
Capacitance (for WR/V
PP
or R/W/V
PP
)
18
25
pF
NOTES:
1. These parameters are only sampled and are not 100% tested.
2. Typical values are for T
A
= 25°C and nominal supply voltages.
T
A
= 25 °C, f = 1 MHz
Pin Capacitance
Figure 48.
AC Testing
Input/Output
Waveform
Figure 49.
AC Testing
Load Circuit
Erasure and
Programming
3.0V
0V
TEST POINT
1.5V
DEVICE
UNDER TEST
2.01 V
195
C
L
= 30 pF
(INCLUDING
SCOPE AND JIG
CAPACITANCE)
To clear all locations of their programmed contents, expose the window packaged device
to an ultra-violet light source. A dosage of 30 W second/cm
2
is required. This dosage can
be obtained with exposure to a wavelength of 2537 and intensity of 12000 μW/cm
2
for 40
to 45 minutes. The device should be about 1 inch from the source, and all filters should be
removed from the UV light source prior to erasure.
The PSD7XX and similar devices will erase with light sources having wavelengths shorter
than 4000 . Although the erasure times will be much longer than with UV sources at
2537 , exposure to fluorescent light and sunlight eventually erases the device.
For maximum system reliability, these sources should be avoided. If used in such an
environment, the package windows should be covered by an opaque substance.
Upon delivery from WSI, or after each erasure, the PSD7XX device has all bits in the PAD
and EPROM in the “1” or high state. The configuration bits are in the “0” or low state. The
code, configuration, and PAD MAP data are loaded through the procedure of programming
Information for programming the device is available directly from WSI. Please contact your
local sales representative.
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| PSD713S5 | Field Programmable Microcontroller Peripherals with Supervisory Functions(可編程邏輯，4K位SRAM,27個(gè)可編程I/O,通用PLD有66個(gè)輸入) |
| PSD813F4 | Flash In System Programmable Mirocomputer Peripherals(閃速，在系統(tǒng)可編程微控制器外圍器件，1M位閃速存儲(chǔ)器，256K位EEPROM，16K位SRAM) |
| PSD813F | Flash In-System-Programmable Microcontroller Peripherals(閃速，在系統(tǒng)可編程微控制器外圍器件，1M位閃速存儲(chǔ)器，256K位EEPROM，16K位SRAM) |
| PSD813FH(中文) | Field Programmble Microcontroller Peripherals With Flash Memory(帶閃存的現(xiàn)場(chǎng)可編程微控制器) |
| PSD813FN(中文) | Field Programmble Microcontroller Peripherals(帶閃存的現(xiàn)場(chǎng)可編程微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD712S5-15L | 制造商:WSI 功能描述: |
| PSD-7155 | 制造商:GAMEWELL-FCI 制造商全稱:GAMEWELL-FCI 功能描述:Photoelectric smoke detector |
| PSD-7155D | 制造商:GAMEWELL-FCI 制造商全稱:GAMEWELL-FCI 功能描述:Duct Housing, 4-wire, less detector head |
| PSD-7156 | 制造商:GAMEWELL-FCI 制造商全稱:GAMEWELL-FCI 功能描述:Photoelectric smoke detector |
| PSD715F | 制造商:PACELEADER 制造商全稱:PACELEADER INDUSTRIAL 功能描述:SURFACE MOUNT SCHOTTKY BARRIER DIODES |
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