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參數(shù)資料
| 型號(hào)： | AM27C040-120JC |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 4 Megabit (512 K x 8-Bit) CMOS EPROM |
| 中文描述： | 512K X 8 OTPROM, 120 ns, PQCC32 |
| 封裝： | PLASTIC, LCC-32 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 175K |
| 代理商： | AM27C040-120JC |
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FINAL
Publication#
14971
Issue Date:
May 1998
Rev:
G
Amendment/
0
Am27C040
4 Megabit (512 K x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
I
Fast access time
— Available in speed options as fast as 90 ns
I
Low power consumption
— <10 μA typical CMOS standby current
I
JEDEC-approved pinout
— Plug-in upgrade for 1 Mbit and 2 Mbit EPROMs
— Easy upgrade from 28-pin JEDEC EPROMs
I
Single +5 V power supply
I
±
10% power supply tolerance standard
I
100% Flashrite programming
— Typical programming time of 1 minute
I
Latch-up protected to 100 mA from –1 V to
V
CC
+ 1 V
I
High noise immunity
I
Compact 32-pin DIP, PDIP, PLCC packages
GENERAL DESCRIPTION
The Am27C040 is a 4 Mbit ultraviolet erasable pro-
grammable read-only memory. It is organized as 512K
bytes, operates from a single +5 V supply, has a static
standby mode, and features fast single address loca-
tion programming. The device is available in windowed
ceramic DIP packages and plastic one-time program-
mable (OTP) packages.
Data can be typically accessed in less than 90 ns, al-
lowing high-performance microprocessors to operate
without any WAIT states. The device offers separate
Output Enable (OE#) and Chip Enable (CE#) controls,
thus eliminating bus contention in a multiple bus micro-
processor system.
AMD’s CMOS process technology provides high
speed, low power, and high noise immunity. Typical
power consumption is only 100 mW in active mode,
and 50 μW in standby mode.
All signals are TTL levels, including programming sig-
nals. Bit locations may be programmed singly, in
blocks, or at random. The device supports AMD’s
Flashrite programming algorithm (100 μs pulses) re-
sulting in typical programming time of 1 minute.
BLOCK DIAGRAM
14971G-1
A0–A18
Address
Inputs
CE#/PGM#
OE#
V
CC
V
SS
V
PP
Data Outputs
DQ0–DQ7
Output
Buffers
Y
Gating
4,194,304-Bit
Cell Matrix
X
Decoder
Y
Decoder
Output Enable
Chip Enable
and
Prog Logic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM27C040-150DI | 4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-150JE | Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 |
| AM27C040-150JI | Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 |
| AM27C040-150PC | 4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-150PE | Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM27C040-120JE | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-120JI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:4 Megabit (512 K x 8-Bit) CMOS EPROM |
| AM27C040-120LCB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C040-120LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
| AM27C040-120LEB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EPROM |
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