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參數資料
| 型號： | M27W256-150N6TR |
| 廠商： | 意法半導體 |
| 英文描述： | 1-of-8 Data Selectors/Multiplexers 16-SOIC 0 to 70 |
| 中文描述： | 256千位的32KB × 8低壓紫外線可擦寫可編程只讀存儲器和OTP存儲器 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 101K |
| 代理商： | M27W256-150N6TR |
1/15
March 2000
M27W256
256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM
I
2.7V to 3.6V SUPPLY VOLTAGE in READ
OPERATION
I
ACCESS TIME:
– 70ns at V
CC
= 3.0V to 3.6V
– 80ns at V
CC
= 2.7V to 3.6V
I
PIN COMPATIBLE with M27C256B
I
LOW POWER CONSUMPTION:
– 15
μ
A max Standby Current
– 15mA max Active Current at 5MHz
I
PROGRAMMING TIME 100
μ
s/byte
I
HIGH RELIABILITY CMOS TECHNOLOGY
– 2,000V ESD Protection
– 200mA Latchup Protection Immunity
I
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Device Code: 3Dh
DESCRIPTION
The M27W256 is a low voltage 256 Kbit EPROM
offered in the two ranges UV (ultra violet erase)
and OTP (one time programmable). It is ideally
suited for microprocessor systems and is orga-
nized as 32,768 by 8 bits.
The M27W256 operates in the read mode with a
supply voltage as low as 3V. The decrease in op-
erating power allows either a reduction of the size
of the battery or an increase in the time between
battery recharges.
The FDIP28W (window ceramic frit-seal package)
has a transparent lid which allows the user to ex-
pose the chipto ultraviolet light to erase the bit pat-
tern. A new pattern can then be written to the
device by following the programming procedure.
For applications wherethe content is programmed
only one time and erasure is not required, the
M27W256 is offered in PDIP28, PLCC32 and
TSOP28 (8 x 13.4 mm) packages.
Figure 1. Logic Diagram
AI03629
15
A0-A14
Q0-Q7
VPP
VCC
M27W256
G
E
VSS
8
1
28
28
1
FDIP28W (F)
PDIP28 (B)
PLCC32 (K)
TSOP28 (N)
8 x 13.4mm
相關PDF資料 |
PDF描述 |
|---|---|
| M27W256-200B6TR | 1-of-8 Data Selectors/Multiplexers 16-SOIC 0 to 70 |
| M27W256-200F6TR | 1-of-8 Data Selectors/Multiplexers 16-PDIP 0 to 70 |
| M27W256-200K6TR | 1-of-8 Data Selectors/Multiplexers 16-PDIP 0 to 70 |
| M27W256-200N6TR | 1-of-8 Data Selectors/Multiplexers 16-SO 0 to 70 |
| M27W256-80B6TR | 1-of-8 Data Selectors/Multiplexers 16-SO 0 to 70 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| M27W256-200B6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-200F6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-200K6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-200N6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
| M27W256-80B6TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:256 Kbit 32Kb x 8 Low Voltage UV EPROM and OTP EPROM |
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