at27lv040a ATMEL Corporation, at27lv040a Datasheet

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at27lv040a

Manufacturer Part Number
at27lv040a
Description
At27lv040a 4-megabit 512k X 8 Low Voltage Otp Eprom
Manufacturer
ATMEL Corporation
Datasheet

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Features
1. Description
The AT27LV040A is a high-performance, low-power, low-voltage, 4,194,304-bit one-
time programmable read-only memory (OTP EPROM) organized as 512K by 8 bits. It
requires only one supply in the range of 3.0 to 3.6V in normal read mode operation,
making it ideal for fast, portable systems using battery power.
Atmel’s innovative design techniques provide fast speeds that rival 5V parts while
keeping the low power consumption of a 3V supply. At V
accessed in less than 90 ns. With a typical power dissipation of only 18 mW at 5 MHz
and V
dard 5V EPROM. Standby mode supply current is typically less than 1 µA at 3.3V.
The AT27LV040A is available in industry-standard JEDEC-approved one-time pro-
grammable (OTP) plastic PLCC, TSOP, and VSOP packages. All devices feature two-
line control (CE, OE) to give designers the flexibility to prevent bus contention.
The AT27LV040A operating with V
compatible with standard TTL logic devices operating at V
also capable of standard 5-volt operation making it ideally suited for dual supply range
systems or card products that are pluggable in both 3-volt and 5-volt hosts.
Atmel’s AT27LV040A has additional features to ensure high quality and efficient pro-
duction use. The Rapid Programming Algorithm reduces the time required to program
the part and guarantees reliable programming. Programming time is typically only
100 µs/byte. The Integrated Product Identification Code electronically identifies the
device and manufacturer. This feature is used by industry-standard programming
equipment to select the proper programming algorithms and voltages. The
AT27LV040A programs exactly the same way as a standard 5V AT27C040 and uses
the same programming equipment.
Fast Read Access Time – 90 ns
Dual Voltage Range Operation
Compatible With JEDEC Standard AT27C040
Low Power 3.3-volt CMOS Operation
JEDEC Standard Packages
High Reliability CMOS Technology
Rapid Programming Algorithm – 100 µs/Byte (Typical)
CMOS and TTL Compatible Inputs and Outputs
Integrated Product Identification Code
Industrial Temperature Range
Green (Pb/Halide-free) Packaging Option
– Low Voltage Power Supply Range, 3.0V to 3.6V
– 20 µA Max (Less than 1 µA Typical) Standby for V
– 36 mW Max Active at 5 MHz for V
– 32-lead PLCC
– 32-lead TSOP
– 32-lead VSOP
– 2,000V ESD Protection
– 200 mA Latchup Immunity
– JEDEC Standard for LVTTL
CC
or Standard 5V ± 10% Supply Range
= 3.3V, the AT27LV040A consumes less than one half the power of a stan-
CC
CC
at 3.0V produces TTL level outputs that are
= 3.6V
CC
= 3.6V
CC
CC
= 3.0V, any byte can be
= 5.0V. The device is
4-Megabit
(512K x 8)
Low Voltage
OTP EPROM
AT27LV040A
0557D–EPROM–12/07

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at27lv040a Summary of contents

Page 1

... At V accessed in less than 90 ns. With a typical power dissipation of only MHz and V = 3.3V, the AT27LV040A consumes less than one half the power of a stan- CC dard 5V EPROM. Standby mode supply current is typically less than 1 µA at 3.3V. ...

Page 2

... Pin Configurations Pin Name A0 - A18 2.1 32-lead TSOP/VSOP (Type 1) Top View 2.2 32-lead PLCC Top View AT27LV040A 2 Function Addresses Outputs Chip Enable Output Enable A11 A13 4 A14 5 A17 6 A18 7 VCC 8 VPP 9 A16 10 A15 11 A12 ...

Page 3

... Maximum Ratings” may cause permanent dam- age to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the (1) operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect (1) device reliability (1) AT27LV040A 3 ...

Page 4

... Identification Code ≤ 5.5V 6.5V except A9 which is set to V and A0 which is toggled select the Device Code byte. IH AT27LV040A-90 -40°C - 85°C 3.0V to 3.6V 5V ± 10% Outputs D OUT High Z High OUT High Z 0557D–EPROM–12/07 ...

Page 5

... 0.5V SB2 MHz mA OUT 2 -400 µ and removed simultaneously with or after except during programming. The supply current would then be the sum AT27LV040A Min Max Units ±1 µA ±5 µA 10 µA 20 µA 100 µ -0.6 0 ...

Page 6

... Output float is defined as the point when data is no longer driven. AT27LV040A 6 Condition ( after the falling edge of CE without impact after the address is valid without impact on t ACC OE AT27LV040A-90 Min Max ACC Units 0557D– ...

Page 7

... Symbol Typ OUT Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. 0557D–EPROM–12/ < (10 Note 100 pF including jig capacitance. Max 8 12 AT27LV040A Units Conditions OUT 7 ...

Page 8

... Programming Waveforms Notes: 1. The Input Timing Reference is 0.8V for and t are characteristics of the device but must be accommodated by the programmer. OE DFP 3. When programming the AT27LV040A a 0.1 µF capacitor is required across V transients. AT27LV040A 8 (1) and 2.0V for and ground to suppress spurious voltage PP 0557D–EPROM–12/07 ...

Page 9

... Program Pulse width tolerance is 100 µsec ± 5%. 17. Atmel’s AT27LV040A Integrated Product Identification Code Codes A0 Manufacturer 0 Device Type 1 Note: 1. The AT27LV040A has the same Product Identification Code as the AT27C040. Both are programming compatible. 0557D–EPROM–12/07 = 13.0 ± 0.25V PP Test Conditions ...

Page 10

... If the byte fails to verify after 10 pulses have been applied, the part is considered failed. After the byte verifies properly, the next address is selected until all have been checked. V with the original data to determine if the device passes or fails. AT27LV040A 10 is raised to 13.0V. Each address is first programmed with one 100 PP is then lowered to 5 ...

Page 11

... Plastic Thin Small Outline Package (TSOP) 32T 32-lead, Plastic Thin Small Outline Package (VSOP) 32V 0557D–EPROM–12/07 Ordering Code AT27LV040A-90JI AT27LV040A-90TI AT27LV040A-90VI Ordering Code AT27LV040A-90JU AT27LV040A-90TU Package Type AT27LV040A Package Operation Range 32J Industrial 32T (-40°C to 85°C) (1) 32V ...

Page 12

... Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. 2325 Orchard Parkway San Jose, CA 95131 R AT27LV040A 12 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER E1 E ...

Page 13

... Orchard Parkway San Jose, CA 95131 R 0557D–EPROM–12/07 PIN SEATING PLANE A1 TITLE 32T, 32-lead ( Package) Plastic Thin Small Outline Package, Type I (TSOP) AT27LV040A 0º ~ 8º GAGE PLANE COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX A – ...

Page 14

... This package conforms to JEDEC reference MO-142, Variation BA. 2. Dimensions D1 and E do not include mold protrusion. Allowable protrusion 0.15 mm per side and 0.25 mm per side. 3. Lead coplanarity is 0.10 mm maximum. 2325 Orchard Parkway San Jose, CA 95131 R AT27LV040A 14 PIN SEATING PLANE ...

Page 15

... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2007 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...

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