at27bv256 ATMEL Corporation, at27bv256 Datasheet

no-image

at27bv256

Manufacturer Part Number
at27bv256
Description
At27bv256 256k 32k X 8 Unregulated Battery-voltage High-speed Otp Eprom
Manufacturer
ATMEL Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
at27bv256-12JC
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
at27bv256-12JI
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
at27bv256-15JC
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
at27bv256-15JI
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
at27bv256-15TI
Manufacturer:
OMRON
Quantity:
50 000
Part Number:
at27bv256-20JC
Manufacturer:
ALTERA
0
Part Number:
at27bv256-70JU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
at27bv256-70RU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Features
1. Description
The AT27BV256 is a high-performance, low-power, low-voltage 262,144-bit one-time
programmable read-only memory (OTP EPROM) organized as 32K by 8 bits. It
requires only one supply in the range of 2.7V to 3.6V in normal read mode operation,
making it ideal for fast, portable 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 70 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 AT27BV256 simpli-
fies system design and stretches battery lifetime even further by eliminating the need
for power supply regulation.
The AT27BV256 is available in industry-standard JEDEC-approved one-time
programmable (OTP) plastic PLCC, SOIC and TSOP packages. All devices feature
two-line control (CE, OE) to give designers the flexibility to prevent bus contention.
The AT27BV256 operating with V
patible with standard TTL logic devices operating at V
part is compatible with JEDEC approved low voltage battery operation (LVBO) inter-
face specifications. The device is 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.
Fast Read Access Time – 70 ns
Dual Voltage Range Operation
Pin Compatible with JEDEC Standard AT27C256R
Low Power CMOS Operation
JEDEC Standard Surface Mount 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
– Unregulated Battery Power Supply Range, 2.7V to 3.6V
– 20 µA Max (Less than 1 µA Typical) Standby for V
– 29 mW Max Active at 5 MHz for V
– 32-lead PLCC
– 28-lead SOIC
– 28-lead TSOP
– 2,000V ESD Protection
– 200 mA Latchup Immunity
– JEDEC Standard for LVTTL and LVBO
CC
or Standard 5V ± 10% Supply Range
= 3V, the AT27BV256 consumes less than one fifth the power of a standard
CC
at 3.0V produces TTL level outputs that are com-
CC
= 3.6V
CC
CC
= 3.6V
CC
= 5.0V. At V
= 2.7V, any word can be
CC
= 2.7V, the
256K (32K x 8)
Unregulated
Battery-Voltage
High-Speed
OTP EPROM
AT27BV256
0601E–EPROM–12/07

Related parts for at27bv256

at27bv256 Summary of contents

Page 1

... AT27BV256 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 AT27BV256 simpli- fies system design and stretches battery lifetime even further by eliminating the need for power supply regulation. ...

Page 2

... Product Identification Code electronically identifies the device and manufacturer. This feature is used by industry-standard programming equipment to select the proper program- ming algorithms and voltages. The AT27BV256 programs exactly the same way as a standard 5V AT27C256R and uses the same programming equipment. 2. Pin Configurations ...

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) AT27BV256 3 ...

Page 4

... ≤ 5.5V 6.5V except A9 which is set to V and A0 which is toggled select the Device Code byte. IH AT27BV256-70 -40°C - 85°C 2.7V to 3.6V 5V ± 10% Outputs D OUT High Z High OUT D OUT High Z Identification Code 0601E–EPROM–12/07 ...

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 AT27BV256 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 AT27BV256, a 0.1 µF capacitor is required across V AT27BV256 6 Condition ...

Page 7

... Typ OUT Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. 0601E–EPROM–12/ < (10 Note 100 pF including jig capacitance. Max 8 12 AT27BV256 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 AT27BV256 a 0.1 µF capacitor is required across V transients. AT27BV256 8 (1) and 2.0V for and ground to suppress spurious voltage PP 0601E–EPROM–12/07 ...

Page 9

... Program Pulse width tolerance is 100 17. Atmel’s AT27BV256 Integrated Product Identification Code Codes A0 Manufacturer 0 Device Type 1 Note: 1. The AT27BV256 has the same Product Identification Code as the AT27C256R and AT27LV256A. They are all programming compatible. 0601E–EPROM–12/07 = 13.0 ± 0.25V PP Test Conditions ...

Page 10

... After the byte verifies properly, the next address is selected until all have been checked. V are read again and compared with the original data to determine if the device passes or fails. AT27BV256 10 is raised to 13.0V. Each address is first programmed with one 100 µ then lowered to 5 ...

Page 11

... Wide, Plastic Gull Wing Small Package (SOIC) 28T 28-lead, Plastic Thin Small Outline Package (TSOP) 0601E–EPROM–12/07 Ordering Code AT27BV256-70JI AT27BV256-70RI AT27BV256-70TI Ordering Code AT27BV256-70JU AT27BV256-70RU AT27BV256-70TU Package Type AT27BV256 Package Operation Range 32J Industrial (1) 28R (-40° 85° C) 28T ...

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 AT27BV256 12 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER E1 E ...

Page 13

... Mold Flash or protrusion shall not exceed 0.25 mm (0.010"). 2325 Orchard Parkway San Jose, CA 95131 R 0601E–EPROM–12/ TITLE 28R, 28-lead, 0.330" Body Width, Plastic Gull Wing Small Outline (SOIC) AT27BV256 COMMON DIMENSIONS (Unit of Measure = mm) MIN MAX SYMBOL NOM A 2.39 – 2.79 A1 0.050 – 0.356 D 18 ...

Page 14

... This package conforms to JEDEC reference MO-183. 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 AT27BV256 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 ...

Related keywords