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27C020 데이터시트 PDF




Advanced Micro Devices에서 제조한 전자 부품 27C020은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 27C020 자료 제공

부품번호 27C020 기능
기능 2 Megabit (256 K x 8-Bit) CMOS EPROM
제조업체 Advanced Micro Devices
로고 Advanced Micro Devices 로고


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27C020 데이터시트, 핀배열, 회로
FINAL
Am27C020
2 Megabit (256 K x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
s Fast access time
— Speed options as fast as 55 ns
s Low power consumption
— 100 µA maximum CMOS standby current
s JEDEC-approved pinout
— Plug in upgrade of 1 Mbit EPROM
— Easy upgrade from 28-pin JEDEC EPROMs
s Single +5 V power supply
s ±10% power supply tolerance standard
s 100% Flashrite™ programming
— Typical programming time of 32 seconds
s Latch-up protected to 100 mA from –1 V to
VCC + 1 V
s High noise immunity
s Compact 32-pin DIP, PDIP, and PLCC packages
GENERAL DESCRIPTION
The Am27C020 is a 2 Megabit, ultraviolet erasable pro-
grammable read-only memory. It is organized as 256
Kwords by 8 bits per word, operates from a single +5 V
supply, has a static standby mode, and features fast
single address location programming. Products are
available in windowed ceramic DIP packages, as well
as plastic one time programmable (OTP) PDIP and
PLCC packages.
Data can be typically accessed in less than 55 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 100 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 a typical programming time of 32 seconds.
BLOCK DIAGRAM
OE#
CE#
PGM#
A0–A17
Address
Inputs
VCC
VSS
VPP
Output Enable
Chip Enable
and
Prog Logic
Y
Decoder
X
Decoder
Data Outputs
DQ0–DQ7
Output
Buffers
Y
Gating
2,097,152
Bit Cell
Matrix
11507H-1
Publication# 11507 Rev: H Amendment/0
Issue Date: May 1998




27C020 pdf, 반도체, 판매, 대치품
ORDERING INFORMATION
OTP EPROM Products
AMD standard products are available in several packages and operating ranges. The order number (Valid Combination) is formed
by a combination of the following:
AM27C020
-55 J
C5
OPTIONAL PROCESSING
Blank = Standard Processing
VOLTAGE TOLERANCE
5 = VCC ± 5%, 55 ns only
See Product Selector Guide and Valid Combinations
TEMPERATURE RANGE
C = Commercial (0°C to +70°C)
I = Industrial (–40°C to +85°C)
PACKAGE TYPE
P = 32-Pin Plastic DIP (PD 032)
J = 32-Pin Plastic Leaded Chip Carrier (PL 032)
SPEED OPTION
See Product Selector Guide and Valid Combinations
DEVICE NUMBER/DESCRIPTION
Am27C020
2 Megabit (256 K x 8-Bit) CMOS OTP EPROM
Valid Combinations
AM27C020-55
VCC = 5.0 V ± 5%
AM27C020-55
VCC = 5.0 V ± 10%
AM27C020-75
PC5, PI5, JC5, JI5
AM27C020-90
AM27C020-120
JC, PC, JI, PI
AM27C020-150
AM27C020-200
AM27C020-255
VCC = 5.0 V ± 5%
Valid Combinations
Valid Combinations list configurations planned to be sup-
ported in volume for this device. Consult the local AMD sales
office to confirm availability of specific valid combinations and
to check on newly released combinations.
4 Am27C020

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27C020 전자부품, 판매, 대치품
ABSOLUTE MAXIMUM RATINGS
Storage Temperature
OTP Products. . . . . . . . . . . . . . . . . . –65°C to +125°C
All Other Products . . . . . . . . . . . . . . –65°C to +150°C
Ambient Temperature
with Power Applied. . . . . . . . . . . . . . –55°C to +125°C
Voltage with Respect to VSS
All pins except A9, VPP, VCC . . –0.6 V to VCC + 0.6 V
A9 and VPP (Note 2) . . . . . . . . . . . . . –0.6 V to 13.5 V
VCC (Note 1). . . . . . . . . . . . . . . . . . . . . –0.6 V to 7.0 V
Notes:
1. Minimum DC voltage on input or I/O pins –0.5 V. During
voltage transitions, the input may overshoot VSS to –2.0 V
for periods of up to 20 ns. Maximum DC voltage on input
and I/O pins is VCC + 5 V. During voltage transitions, input
and I/O pins may overshoot to VCC + 2.0 V for periods up
to 20 ns.
2. Minimum DC input voltage on A9 is –0.5 V. During voltage
transitions, A9 and VPP may overshoot VSS to –2.0 V for
periods of up to 20 ns. A9 and VPP must not exceed +13.5
V at any time.
Stresses above those listed under “Absolute Maximum Rat-
ings” may cause permanent damage to the device. This is a
stress rating only; functional operation of the device at these
or any other conditions above those indicated in the opera-
tional sections of this specification is not implied. Exposure of
the device to absolute maximum ratings for extended periods
may affect device reliability.
OPERATING RANGES
Commercial (C) Devices
Ambient Temperature (TA) . . . . . . . . . . .0°C to +70°C
Industrial (I) Devices
Ambient Temperature (TA) . . . . . . . . .–40°C to +85°C
Extended (E) Devices
Ambient Temperature (TA) . . . . . . . .–55°C to +125°C
Supply Read Voltages
VCC for ± 5% devices . . . . . . . . . . +4.75 V to +5.25 V
VCC for ± 10% devices . . . . . . . . . +4.50 V to +5.50 V
Operating ranges define those limits between which the func-
tionality of the device is guaranteed.
Am27C020
7

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