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| 型號： | PSD412A2 |
| 英文描述： | Field Programmable Microcontroller Peripherals(可編程邏輯，16K位SRAM,40個可編程I/O,通用PLD有59個輸入) |
| 中文描述： | 現(xiàn)場可編程微控制器外圍設(shè)備（可編程邏輯，16K的位的SRAM，40余個可編程輸入/輸出，通用PLD的有59個輸入） |
| 文件頁數(shù)： | 93/97頁 |
| 文件大?。?/td> | 309K |
| 代理商： | PSD412A2 |
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PSD4XX Famly
4-93
Symbol
Parameter
14
Conditions Typical
15
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:
14.These parameters are only sampled and are not 100% tested.
15.Typical values are for T
A
= 25°C and nominal supply voltages.
T
A
= 25 °C, f = 1 MHz
Pin Capacitance
Figure 49.
AC Testing
Input/Output
Waveform
Figure 50.
AC Testing
Load Circuit
Erasure and
Programmng
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 PSD4XX 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 PSD4XX 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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PDF描述 |
|---|---|
| PSD413A2 | Field Programmable Microcontroller Peripherals(可編程邏輯，16K位SRAM,40個可編程I/O,通用PLD有59個輸入) |
| PSD4135G2(中文) | Flash In-System-Programmable Peripherals for 16-Bit MCUs(用于16位MCU的閃速在系統(tǒng)可編程外圍芯片) |
| PSD4135G2 | Flash In-System-Programmable Peripherals for 16-Bit MCUs(用于16位MCU的閃速在系統(tǒng)可編程外圍芯片) |
| PSD4135G2 | 100V 100kRad Hi-Rel Single N-Channel TID Hardened MOSFET in a Low Ohmic TO-257AA package. Also available with 300kRad Total Dose Rating.; A IRHYS67130CM with Standard Packaging |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD412A2-12J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD412A2-12JI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD412A2-12LI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD412A2-12U | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
| PSD412A2-12UI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field-Programmable Peripheral |
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