AM27C040-150JC Advanced Micro Devices, AM27C040-150JC Datasheet

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AM27C040-150JC

Manufacturer Part Number
AM27C040-150JC
Description
4 megabit (512K x 8-bit ) CMOS EPROM
Manufacturer
Advanced Micro Devices
Datasheet

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Am27C040
4 Megabit (512 K x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
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,
BLOCK DIAGRAM
Fast access time
— Available in speed options as fast as 90 ns
Low power consumption
— <10 µA typical CMOS standby current
JEDEC-approved pinout
— Plug-in upgrade for 1 Mbit and 2 Mbit EPROMs
— Easy upgrade from 28-pin JEDEC EPROMs
FINAL
A0–A18
Address
Inputs
CE#/PGM#
OE#
Output Enable
Chip Enable
V
V
V
Prog Logic
Decoder
Decoder
CC
SS
PP
and
Y
X
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.
Single +5 V power supply
100% Flashrite™ programming
— Typical programming time of 1 minute
Latch-up protected to 100 mA from –1 V to
V
High noise immunity
Compact 32-pin DIP, PDIP, PLCC packages
10% power supply tolerance standard
CC
+ 1 V
4,194,304-Bit
Data Outputs
Cell Matrix
DQ0–DQ7
Buffers
Output
Gating
Y
Publication# 14971
Issue Date: May 1998
Rev: G Amendment/0
14971G-1

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AM27C040-150JC Summary of contents

Page 1

... Plug-in upgrade for 1 Mbit and 2 Mbit EPROMs — Easy upgrade from 28-pin JEDEC EPROMs GENERAL DESCRIPTION The Am27C040 Mbit ultraviolet erasable pro- grammable read-only memory organized as 512K bytes, operates from a single +5 V supply, has a static standby mode, and features fast single address loca- tion programming ...

Page 2

... A13 A11 11 A1 OE# (G A10 DQ0 13 CE# (E#)/PGM# (P#) 14 DQ7 DQ6 DQ5 DQ4 DQ3 14971G-2 LOGIC SYMBOL 19 Am27C040 Am27C040 -90 -120 -150 90 120 150 90 120 150 PLCC A14 28 A13 A11 ...

Page 3

... AM27C040 -90 D DEVICE NUMBER/DESCRIPTION Am27C040 4 Megabit (512K x 8-Bit) CMOS UV EPROM Valid Combinations AM27C040-90 AM27C040-120 DC, DCB, DI, DIB, DE, DEB AM27C040-150 AM27C040-200 OPTIONAL PROCESSING Blank = Standard Processing B TEMPERATURE RANGE C = Commercial ( + Industrial (– + Extended (– +125 C) ...

Page 4

... SPEED OPTION See Product Selector Guide and Valid Combinations DEVICE NUMBER/DESCRIPTION Am27C040 4 Megabit (512K x 8-Bit) CMOS OTP EPROM 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 ...

Page 5

... To accommodate multiple memory connections, a two-line control function is provided to allow for: Low memory power dissipation, and Assurance that output bus contention will not occur CE#/PGM# should be decoded and used as the pri- mary device-selecting function, while OE# be made a Am27C040 , CE#/ IL between 12.5 V and 13 ...

Page 6

... voltage during programming PP Am27C040 for each eight devices. The loca Outputs OUT X X HIGH HIGH HIGH OUT ...

Page 7

... Supply Read Voltages +0 for ± 5% devices . . . . . . . . . . +4. +5. for ± 10% devices . . . . . . . . . +4. +5. Operating ranges define those limits between which the functionality of the device is guaranteed. to – 2.0 V for CC may overshoot PP must PP Am27C040 ) . . . . . . . . . . . + .– + .– +125 ...

Page 8

... CE 0 CE and removed simultaneously or after V PP +2.0 V for periods less than 20 ns –75 –50 – Figure 2. Typical Supply Current vs. Temperature 14971E-1 Am27C040 Min Max Unit 2.4 V 0. –0.5 +0.8 V 1.0 µA 5.0 5.0 µ 1.0 mA 100 µ ...

Page 9

... Output timing measurement reference levels 14971G-5 2.4 V 1.5 V 0.45 V Output Note: For C = 100 pF. L INPUTS Steady Changing from Changing from Does Not Apply Center Line is High Impedance State (High Z) Am27C040 All Unit 1 TTL gate L 100 20 0.45–2.4 0.8, 2.0 0.8, 2.0 2.0 V 2.0 V Test Points 0.8 V 0.8 V Input ...

Page 10

... ACC (Note 1) Valid Output - t after the falling edge of the addresses without impact CDV032 Test Conditions Typ Max = Am27C040 Am27C040 -90 -120 -150 -200 Max 90 120 150 200 Max 90 120 150 200 Max Max 30 ...

Page 11

... .530 .580 16 SEATING PLANE .015 .016 .060 .022 .009 .015 .125 .140 .080 .095 SEATING PLANE .013 .021 .050 REF. Am27C040 .600 .625 .009 .015 .630 .700 0 10 16-038-S_AG PD 032 EC75 5-28-97 lv .042 .056 .400 REF. .490 .530 16-038FPO-5 PL 032 ...

Page 12

... SEATING PLANE .005 MIN .045 .065 .014 .026 * For reference only. BSC is an ANSI standard for Basic Space Centering. REVISION SUMMARY FOR AM27C040 Revision E/1 Product Selector Guide: Added -90 (90 ns, 10 and deleted -100 speed options. CC Ordering Information, UV EPROM Products: The -90 part number is now listed in the example. ...

Page 13

... Supply Read Voltages: Replaced with generic data. DC Characteristics: Modified Figures 1 and 2. Switching Waveform: Corrected “DF” to “t ” in Note 2. DF Package Capacitance: Deleted TSOP data. Physical Dimensions: New section, added figures for the 32-Pin Ceramic DIP, 32-Pin Plastic DIP, and 32-Pin Plastic Leaded Chip Carrier. Am27C040 13 ...

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