AM27X040-120JC AMD [Advanced Micro Devices], AM27X040-120JC Datasheet

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AM27X040-120JC

Manufacturer Part Number
AM27X040-120JC
Description
4 Megabit (512 K x 8-Bit) CMOS ExpressROM Device
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
Am27X040
4 Megabit (512 K x 8-Bit) CMOS ExpressROM Device
DISTINCTIVE CHARACTERISTICS
GENERAL DESCRIPTION
The Am27X040 is a factory programmed and tested
OTP EPROM. It is programmed after packaging prior to
final test. Every device is rigorously tested under AC
and DC operating conditions to your stable code. It is
organized as 512 Kwords by 8 bits per word and is
available in plastic dual in-line packages (PDIP), as
well as plastic leaded chip carrier (PLCC) packages.
ExpressROM devices provide a board-ready memory
solution for medium to high volume codes with short
leadtimes. This offers manufacturers a cost-effective
and flexible alternative to OTP EPROMs and mask pro-
grammed ROMs.
BLOCK DIAGRAM
As an OTP EPROM alternative:
— Factory optimized programming
— Fully tested and guaranteed
As a Mask ROM alternative:
— Shorter leadtime
— Lower volume per code
Fast access time
— 90 ns
Single +5 V power supply
Compatible with JEDEC-approved EPROM
pinout
FINAL
Address
A0–A17
Inputs
OE#
CE#
Output Enable
Chip Enable
Prog Logic
V
V
Decoder
Decoder
CC
SS
and
Y
X
Data can be accessed as fast as 90 ns, allowing
high-performance microprocessors to operate with re-
duced WAIT states. The device offers separate Output
Enable (OE#) and Chip Enable (CE#) controls, thus
eliminating bus contention in a multiple bus micropro-
cessor 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.
High noise immunity
Low power dissipation
— 100 µA maximum CMOS standby current
Available in Plastic Dual-In-line Package (PDIP)
and Plastic Leaded Chip Carrier (PLCC)
Latch-up protected to 100 mA from –1 V to
V
Versatile features for simple interfacing
— Both CMOS and TTL input/output compatibility
— Two line control functions
10% power supply tolerance
CC
Data Outputs DQ0–DQ7
+ 1 V
2,097,152
Bit Cell
Buffers
Output
Gating
Matrix
Y
Publication# 15654
Issue Date: May 1998
Rev: D Amendment/0
15654D-1

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AM27X040-120JC Summary of contents

Page 1

... Single +5 V power supply Compatible with JEDEC-approved EPROM pinout GENERAL DESCRIPTION The Am27X040 is a factory programmed and tested OTP EPROM programmed after packaging prior to final test. Every device is rigorously tested under AC and DC operating conditions to your stable code organized as 512 Kwords by 8 bits per word and is available in plastic dual in-line packages (PDIP), as well as plastic leaded chip carrier (PLCC) packages ...

Page 2

... A11 11 A1 OE# (G A10 DQ0 13 CE# (E#) DQ7 DQ6 DQ5 DQ4 DQ3 15654D-2 LOGIC SYMBOL 19 Am27X040 Am27X040 -120 -150 -200 120 150 200 120 150 200 PLCC A14 28 A13 ...

Page 3

... J DEVICE NUMBER/DESCRIPTION Am27X040 2 Megabit (512 K x 8-Bit) CMOS ExpressROM Device Valid Combinations AM27X040-90 AM27X040-120 PC, JC, PI, JI AM27X040-150 AM27X040-200 C XXXXX CODE DESIGNATION Assigned by AMD TEMPERATURE RANGE C = Commercial ( + Industrial (– +85 C) PACKAGE TYPE P = 32-Pin Plastic Dual In-Line Package (PD 032) ...

Page 4

... V devices. The location of the capacitor should be close to where the power supply is connected to the array. CE Am27X040 to minimize transient effects. In addition, SS and V for each eight Outputs OUT X High Z X High Z X High Z ...

Page 5

... Commercial (C) Devices Ambient Temperature (T Industrial (I) Devices Ambient Temperature (T + 0.6 V Supply Read Voltages CC V 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 Am27X040 ) . . . . . . . . . . . + .– + ...

Page 6

... OUT and removed simultaneously or after 0.5 V, which may overshoot –75 –50 – 15654D-5 Figure 2. Typical Supply Current vs. Temperature Am27X040 Min Max 2.4 0.45 2 0.5 CC –0.5 +0.8 1.0 5.0 40 1.0 100 applied 2.0 V for periods less than 20 ns. ...

Page 7

... Output timing measurement reference levels 15654D-7 2.0 V 0.8 V Output 15654D-8 INPUTS Steady Changing from Changing from Does Not Apply Center Line is High Impedance State (High Z) Am27X040 Table 1. Test Specifications All 1 TTL gate L 100 20 0.45–2.4 0.8, 2.0 0.8, 2.0 OUTPUTS Changing, State Unknown KS000010-PAL Unit ...

Page 8

... V PP 2.0 Addresses Valid 0 ACC (Note 1) after the falling edge of the addresses without impact Test Conditions OUT Am27X040 Am27X040 -90 -120 -150 -200 100 120 150 200 100 120 150 200 ...

Page 9

... TOP VIEW 17 .530 .580 16 SEATING PLANE .015 .014 .060 .022 .009 .015 .125 .140 .080 .095 SEATING PLANE .013 .021 .050 REF. Am27X040 .600 .625 .008 .015 .630 .700 0˚ 10˚ 16-038-SB_AG PD 032 DG75 2-28-95 ae .042 .056 .400 REF. .490 .530 16-038FPO-5 PL 032 ...

Page 10

... REVISION SUMMARY FOR AM27X040 Revision D Global Changed formatting to match current data sheets. Removed the 95, 100, 250, and 255 speed options, added the 90 speed option Absolute Maximum Ratings Storage Temperature : Removed “All Other Products ... – +150 C”. Operating Ranges Supply Read Voltages: Deleted “ .+4. +5.25 V” ...

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