AM27C512-90DI Advanced Micro Devices, AM27C512-90DI Datasheet

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AM27C512-90DI

Manufacturer Part Number
AM27C512-90DI
Description
512 kilobit CMOS EPROM
Manufacturer
Advanced Micro Devices
Datasheet

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Am27C512
512 Kilobit (64 K x 8-Bit) CMOS EPROM
DISTINCTIVE CHARACTERISTICS
GENERAL DESCRIPTION
The Am27C512 is a 512-Kbit, ultraviolet erasable pro-
grammable read-only memory. It is organized as 64K
words 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,
BLOCK DIAGRAM
Fast access time
— Speed options as fast as 55 ns
Low power consumption
— 20 µA typical CMOS standby current
JEDEC-approved pinout
Single +5 V power supply
100% Flashrite™ programming
— Typical programming time of 8 seconds
10% power supply tolerance standard
FINAL
A0–A15
Address
Inputs
OE#/V
CE#
PP
Output Enable
Chip Enable
Prog Logic
V
V
Decoder
Decoder
CC
SS
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 80 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 8 seconds.
Latch-up protected to 100 mA from –1 V to
V
High noise immunity
Versatile features for simple interfacing
— Both CMOS and TTL input/output compatibility
— Two line control functions
Standard 28-pin DIP, PDIP, and 32-pin PLCC
packages
CC
+ 1 V
Data Outputs
DQ0–DQ7
524,288
Buffers
Bit Cell
Output
Gating
Matrix
Y
Publication# 08140
Issue Date: May 1998
Rev: I Amendment/0
08140I-1

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AM27C512-90DI Summary of contents

Page 1

... Flashrite™ programming — Typical programming time of 8 seconds GENERAL DESCRIPTION The Am27C512 is a 512-Kbit, ultraviolet erasable pro- grammable read-only memory organized as 64K words by 8 bits per word, operates from a single +5 V supply, has a static standby mode, and features fast single address location programming ...

Page 2

... V CC A14 A6 5 A13 A11 A2 9 OE# (G#)/ A10 A0 11 CE# (E DQ7 DQ0 13 DQ6 DQ5 DQ4 DQ3 08140I-2 LOGIC SYMBOL 16 Am27C512 Am27C512 -120 -150 -200 120 150 200 120 150 200 PLCC A11 OE# (G#)/V 25 A10 24 CE# (E#) 23 DQ7 22 DQ6 08140I-3 8 A0–A15 DQ0– ...

Page 3

... DEVICE NUMBER/DESCRIPTION Am27C512 512 Kilobit ( 8-Bit) CMOS UV EPROM Valid Combinations AM27C512- 5 AM27C512- 5.0 V 10% CC AM27C512-70 DC, DCB, DI, DIB AM27C512-90 AM27C512-120 AM27C512-150 DC, DCB, DI, DIB, DE, DEB AM27C512-200 AM27C512-255 DC, DCB, DI, DIB OPTIONAL PROCESSING Blank = Standard Processing B TEMPERATURE RANGE C = Commercial ( + Industrial (– + Extended (– +125 C) ...

Page 4

... AM27C512 -70 P Valid Combinations AM27C512- 5 AM27C512- 5 AM27C512-70 AM27C512-90 AM27C512-120 JC, PC, JI, PI AM27C512-150 AM27C512-200 AM27C512-255 OPTIONAL PROCESSING Blank = Standard Processing TEMPERATURE RANGE C = Commercial ( + Industrial (– +85 C) PACKAGE TYPE P = 28-Pin Plastic DIP (PD 028 32-Pin Plastic Leaded Chip Carrier (PL 032) SPEED OPTION See Product Selector Guide and Valid Combinations ...

Page 5

... To accommodate multiple memory connections, a two-line control function provides: Low memory power dissipation, and Assurance that output bus contention will not occur. CE# should be decoded and used as the primary de- vice-selecting function, while OE#/V Am27C512 0.25 V, will program that particu- and CE# PP between 12.5 V and 13 address line A9 ...

Page 6

... V and V CC tion of the capacitor should be close to where the power supply is connected to the array. CE# OE#/ 0 voltage during programming. PP Am27C512 for each eight devices. The loca Outputs OUT X X High High High OUT X X High 01h 91h IH H ...

Page 7

... Extended (E) Devices + 0.6 V Ambient Temperature (T CC Supply Read Voltages V for ± 5% devices . . . . . . . . . . +4. +5. for ± 10% devices . . . . . . . . . +4. +5. Operating ranges define those limits between which the func- tionality of the device is guaranteed. to –2 2.0 V for periods up to –2.0 V for SS Am27C512 ) . . . . . . . . . . . + .– + .– +125 ...

Page 8

... OUT and removed simultaneously or after 0.5 V, which may overshoot –75 –50 – 08140I-5 Figure 2. Typical Supply Current vs. Temperature Am27C512 Min Max 2.4 0.45 2 0.5 CC –0.5 +0.8 1.0 C/I Devices 1.0 E Devices 5.0 25 1.0 100 applied 2.0 V for periods less than 20 ns. ...

Page 9

... 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) Am27C512 All -55 others 1 TTL gate L 30 100 20 0.0–3.0 0.45–2.4 1.5 0.8, 2.0 1.5 0.8, 2.0 2 ...

Page 10

... Min , and removed simultaneously or after V PP 2.0 Addresses Valid 0 ACC (Note 1) after the falling edge of the addresses without impact CDV028 Test Conditions Typ OUT Am27C512 Am27C512 -70 -90 -120 -150 -200 -255 70 90 120 150 200 250 70 90 120 150 200 250 ...

Page 11

... BSC SIDE VIEW 15 .530 .580 14 SEATING PLANE .015 .014 .060 .022 Am27C512 DATUM D .700 CENTER PLANE MAX 94 105 .300 BSC .600 BSC END VIEW 16-000038H-3 CDV028 DF10 3-30-95 ae .600 .625 .008 .015 ...

Page 12

... Pin 1 I.D. .595 .547 .553 .026 .032 TOP VIEW l REVISION SUMMARY FOR AM27C512 Revision I Global Changed formatting to match current data sheets. Product Selector Guide Added the -55 speed option for V CC Trademarks Copyright © 1998 Advanced Micro Devices, Inc. All rights reserved. ...

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