at27bv1024 ATMEL Corporation, at27bv1024 Datasheet

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at27bv1024

Manufacturer Part Number
at27bv1024
Description
1-megabit 64k X 16 Unregulated Battery-voltage High-speed Otp Eprom
Manufacturer
ATMEL Corporation
Datasheet

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Features
1. Description
The AT27BV1024 is a high-performance, low-power, low-voltage 1,048,576-bit one-
time programmable read-only memory (OTP EPROM) organized as 64K by 16 bits. It
requires only one supply in the range of 2.7V to 3.6V in normal read mode operation.
The by-16 organization makes this part ideal for portable and handheld 16- and 32-bit
microprocessor based systems using either regulated or unregulated 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 120 ns. With a typical power dissipation of only 18 mW at 5 MHz
and V
5V EPROM.
Standby mode supply current is typically less than 1 µA at 3V. The AT27BV1024 sim-
plifies system design and stretches battery lifetime even further by eliminating the
need for power supply regulation.
The AT27BV1024 is available in industry standard JEDEC-approved one-time pro-
grammable (OTP) plastic PLCC and VSOP packages. All devices feature two-line
control (CE, OE) to give designers the flexibility to prevent bus contention.
The AT27BV1024 operating with V
compatible with standard TTL logic devices operating at V
the part is compatible with JEDEC approved low voltage battery operation (LVBO)
interface specifications. The device is also capable of standard 5-volt operation mak-
ing it ideally suited for dual supply range systems or card products that are pluggable
in both 3-volt and 5-volt hosts.
Atmel’s AT27BV1024 has additional features to ensure high quality and efficient
production use. The Rapid Programming Algorithm reduces the time required to pro-
gram the part and guarantees reliable programming. Programming time is typically
only 100 µs/word. The Integrated Product Identification Code electronically identifies
Fast Read Access Time – 90 ns
Dual Voltage Range Operation
Pin Compatible with JEDEC Standard AT27C1024
Low Power CMOS Operation
JEDEC Standard Surface Mount Packages
High Reliability CMOS Technology
Rapid Programming Algorithm – 100 µs/Word (Typical)
CMOS and TTL Compatible Inputs and Outputs
Integrated Product Identification Code
Industrial Temperature Range
– Unregulated Battery Power Supply Range, 2.7V to 3.6V
– 20 µA Max (Less than 1 µA Typical) Standby for V
– 36 mW Max Active at 5 MHz for V
– 44-lead PLCC
– 40-lead VSOP
– 2,000V ESD Protection
– 200 mA Latchup Immunity
– JEDEC Standard for LVTTL and LVBO
CC
or Standard 5V ± 10% Supply Range
= 3V, the AT27BV1024 consumes less than one fifth the power of a standard
CC
CC
at 3.0V produces TTL level outputs that are
= 3.6V
CC
= 3.6V
CC
CC
= 2.7V, any word can be
= 5.0V. At V
CC
= 2.7V,
1-Megabit
(64K x 16)
Unregulated
Battery-Voltage
High-Speed
OTP EPROM
AT27BV1024
0631E–EPROM–12/07

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at27bv1024 Summary of contents

Page 1

... AT27BV1024 consumes less than one fifth the power of a standard CC 5V EPROM. Standby mode supply current is typically less than 1 µA at 3V. The AT27BV1024 sim- plifies system design and stretches battery lifetime even further by eliminating the need for power supply regulation. ...

Page 2

... This feature is used by industry-standard programming equipment to select the proper programming algorithms and voltages. The AT27BV1024 programs exactly the same way as a standard 5V AT27C1024 and uses the same programming equipment. 2. Pin Configurations Pin Name A0 - A15 O0 - O15 CE OE PGM ...

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) AT27BV1024 3 ...

Page 4

... Device Code word Outputs ( Identification Code CC CC ≤ 5.5V 6.5V. CC and A0 which is toggled H AT27BV1024-90 -40° 85° C 2.7V to 3.6V 5V ± 10% 0631E–EPROM–12/07 D OUT High Z High OUT High Z ...

Page 5

... CC I (TTL 2 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 AT27BV1024 Min Max ±1 ± 100 = 3.6V 8 -0.6 0.8 -0 0 ...

Page 6

... Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified may be delayed may be delayed This parameter is only sampled and is not 100% tested. 5. Output float is defined as the point when data is no longer driven. 6. When reading a AT27BV1024, a 0.1 µF capacitor is required across V transients. AT27BV1024 6 Condition ...

Page 7

... Symbol Typ OUT Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. 0631E–EPROM–12/ < (10 Note 100 pF including jig capacitance. Max 10 12 AT27BV1024 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 AT27BV1024 a 0.1 µF capacitor is required across V transients. AT27BV1024 8 (1) and 2.0V for and ground to suppress spurious voltage PP 0631E–EPROM–12/07 ...

Page 9

... Program Pulse width tolerance is 100 µsec ± 5%. 17. Atmel’s AT27BV1024 Integrated Product Identification Code Codes A0 Manufacturer 0 Device Type 1 Note: 1. The AT27BV1024 has the same Product Identification Code as the AT27C1024. Both are programming compatible. 0631E–EPROM–12/07 = 13.0 ± 0.25V PP Test Conditions ...

Page 10

... After the word verifies properly, the next address is selected until all have been checked. V read again and compared with the original data to determine if the device passes or fails. AT27BV1024 10 is raised to 13.0V. Each address is first programmed with one 100 µ then lowered to 5 ...

Page 11

... Plastic J-leaded Chip Carrier (PLCC) 40V 40-lead, Plastic Thin Small Outline Package (VSOP) 0631E–EPROM–12/07 Ordering Code AT27BV1024-90JI AT27BV1024-90VI Ordering Code AT27BV1024-90JU AT27BV1024-12JU Package Type AT27BV1024 Package Operation Range 44J Industrial (1) 40V (-40° 85° C) Package Operation Range 44J Industrial (-40° ...

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 AT27BV1024 12 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER E1 E ...

Page 13

... Orchard Parkway San Jose, CA 95131 R 0631E–EPROM–12/07 PIN SEATING PLANE A1 TITLE 40V, 40-lead ( Package) Plastic Thin Small Outline Package, Type I (VSOP) AT27BV1024 0º ~ 8º GAGE PLANE COMMON DIMENSIONS (Unit of Measure = mm) MIN NOM MAX SYMBOL A – ...

Page 14

... 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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