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參數(shù)資料
| 型號： | M27V400 |
| 廠商： | 意法半導體 |
| 英文描述： | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| 中文描述： | 4兆位512KB的x8或256Kb的x16紫外線存儲器和OTP存儲器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 117K |
| 代理商： | M27V400 |
1/14
NOT FOR NEW DESIGN
July 2000
This is information on a product still in production but not recommended for new designs.
M27V400
4 Mbit (512Kb x8 or 256Kb x16) UV EPROM and OTP EPROM
I
M27V400 is replaced by the M27W400
I
3V to 3.6V LOW VOLTAGE in READ
OPERATION
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ACCESS TIME: 100ns
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BYTE-WIDE or WORD-WIDE
CONFIGURABLE
I
4 Mbit MASK ROM REPLACEMENT
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LOW POWER CONSUMPTION
– Active Current 30mA at 8MHz
– Stand-by Current 20μA
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PROGRAMMING VOLTAGE: 12.5V ± 0.25V
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PROGRAMMING TIME: 50μs/word
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ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: B8h
DESCRIPTION
The M27V400 is an 4 Mbit EPROM offered in the
two ranges UV (ultra violet erase) and OTP (one
time programmable). It is ideally suited for micro-
processor systems requiring large data or program
storage. It is organised as either 512 Kwords of 8
bit or 256 Kwords of 16 bit. The pin-out is compat-
ible with the most common 4 Mbit Mask ROM.
The FDIP40W (window ceramic frit-seal package)
has a transparent lid which allows the user to ex-
pose the chip to ultraviolet light to erase the bit pat-
tern.
A new pattern can then be written rapidly to the de-
vice by following the programming procedure.
For applications where the content is programmed
only one time and erasure is not required, the
M27V400 is offered in PDIP40 package.
1
40
1
40
FDIP40W (F)
PDIP40 (B)
Figure 1. Logic Diagram
AI01634
18
A0-A17
BYTEVPP
Q0-Q14
VCC
M27C400
G
E
VSS
15
Q15A–1
相關PDF資料 |
PDF描述 |
|---|---|
| M27V400-100B1TR | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100B6TR | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100F1TR | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100F6TR | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100XB1TR | 4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M27V400-100B1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100B6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100F1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100F6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
| M27V400-100XB1TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 or 256Kb x16 UV EPROM and OTP EPROM |
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