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參數(shù)資料
| 型號(hào)： | EN27LV020B-200 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2Megabit Low Voltage EPROM (256K x 8) |
| 中文描述： | 2Megabit低電壓存儲(chǔ)器（256K × 8） |
| 文件頁(yè)數(shù)： | 4/13頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | EN27LV020B-200 |
第1頁(yè)第2頁(yè)第3頁(yè)當(dāng)前第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)
4800 Great America Parkway Ste 202
Santa Clara, CA. 95054
Tel: 408-235-8680
Fax: 408-235-8685
Preliminary
4
EN27LV020 / EN27LV020B
PROGRAM INHIBIT MODE
Programming of multiple EN27LV020 / EN27LV020B in parallel with different data is also
easily accomplished by using the Program Inhibit Mode. Except for CE, all like inputs of the
parallel EN27LV020 / EN27LV020B may be common. A TTL low-level program pulse applied
to an EN27LV020 / EN27LV020B CE input with V
PP
= 12.75
±
0.25V, PGM LOW, and OE
HIGH will program that EN27LV020 / EN27LV020B. A high-level CE input inhibits the other
EN27LV020 / EN27LV020B from being programmed.
PROGRAM VERIFY MODE
Verification should be performed on the programmed bits to determining that they were
correctly programmed. The verification should be performed with OE and CE at V
IL
, PGM
at V
IH
, and V
PP
at its programming voltage.
AUTO PRODUCT IDENTIFICATION
The Auto Product Identification mode allows the reading out of a binary code from an EPROM
that will identify its manufacturer and type. This mode is intended for use by programming
equipment for the purpose of automatically matching the device to be programmed with its
corresponding programming algorithm. This mode is functional in the 25
°
C
±
5
°
C ambient
temperature range that is required when programming the EN27LV020 / EN27LV020B.
To activate this mode, the programming equipment must force 12.0 V
±
0.5V on address line A9
of the EN27LV020 / EN27LV020B. Two identifier bytes may then be sequenced from the device
outputs by toggling address line A0 from V
IL
to V
IH
, when A1 = V
IH
. All other address lines must
be held at V
IL
during Auto Product Identification mode.
Byte 0 (A0 = V
IL
) represents the manufacturer code, and byte 1 (A0 = V
IH
), the device code. For
the EN27LV020 / EN27LV020B these two identifiers bytes are given in the Mode Select Table.
All identifiers for manufacturer and device codes will possess odd parity, with the MSB (DQ7)
defined as the parity bit.
When A1 = V
IL
, the EN27LV020 / EN27LV020B will read out the binary
code of 7F, continuation code, to signify the unavailability of manufacturer ID codes.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EN27LV020B-90 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2Megabit Low Voltage EPROM (256K x 8) |
| EN2828 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:800V/25A Switching Regulator Applications |
| EN2981C | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:30V, 700mA Rectifier |
| EN2997K60803A6 | 功能描述:環(huán)形MIL規(guī)格連接器 983 3C 3#20 Pin Plug RoHS:否 制造商:Amphenol MIL 類型:MIL-DTL-5015 系列:97 產(chǎn)品類型:Receptacles 外殼大小:28 外殼類型:Potting 觸點(diǎn)類型:Socket (Female) 位置/觸點(diǎn)數(shù)量:14 插入安排:28-2 觸點(diǎn)材料:Copper Alloy 觸點(diǎn)電鍍:Silver 安裝角:Straight 安裝風(fēng)格:Wire 端接類型:Solder 電流額定值: |
| EN2997K60803A7 | 功能描述:環(huán)形MIL規(guī)格連接器 983 3C 3#20 Pin Plug RoHS:否 制造商:Amphenol MIL 類型:MIL-DTL-5015 系列:97 產(chǎn)品類型:Receptacles 外殼大小:28 外殼類型:Potting 觸點(diǎn)類型:Socket (Female) 位置/觸點(diǎn)數(shù)量:14 插入安排:28-2 觸點(diǎn)材料:Copper Alloy 觸點(diǎn)電鍍:Silver 安裝角:Straight 安裝風(fēng)格:Wire 端接類型:Solder 電流額定值: |
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