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Atmel Electronic Components Datasheet

AT27BV010 Datasheet

1 Megabit 128K x 8 Unregulated Battery-Voltage OTP CMOS EPROM

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AT27BV010
Features
Fast Read Access Time - 70 ns
•• Dual Voltage Range Operation
Unregulated Battery Power Supply Range, 2.7V to 3.6V
or Standard 5V ± 10% Supply Range
Compatible with JEDEC Standard AT27C010
•• Low Power CMOS Operation
20 µA max. (less than 1 µA typical) Standby for VCC = 3.6V
29 mW max. Active at 5 MHz for VCC = 3.6V
JEDEC Standard Packages
32-Lead PLCC
32-Lead TSOP
High Reliability CMOS Technology
2,000V ESD Protection
200 mA Latchup Immunity
RapidProgramming Algorithm - 100 µs/byte (typical)
CMOS and TTL Compatible Inputs and Outputs
JEDEC Standard for LVTTL and LVBO
Integrated Product Identification Code
•• Commercial and Industrial Temperature Ranges
Description
The AT27BV010 is a high performance, low power, low voltage 1,048,576 bit one-
time programmable read only memory (OTP EPROM) organized as 128K by 8 bits.
It requires only one supply in the range of 2.7V to 3.6V in normal read mode opera-
tion, 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 VCC = 2.7V, any byte can be
accessed in less than 70 ns. With a typical power draw of only 18 mW at 5 MHz and
VCC = 3V, the AT27BV010 consumes less than one fifth the power of a standard 5V
Pin Configurations
(continued)
Pin Name
A0 - A16
O0 - O7
CE
OE
PGM
NC
Function
Addresses
Outputs
Chip Enable
Output Enable
Program Strobe
No Connect
PLCC Top View
TSOP Top View
Type 1
1 Megabit
(128K x 8)
Unregulated
Battery-Voltage
OTP
CMOS EPROM
AT27BV010
0344E
3-23


Atmel Electronic Components Datasheet

AT27BV010 Datasheet

1 Megabit 128K x 8 Unregulated Battery-Voltage OTP CMOS EPROM

No Preview Available !

Description (Continued)
EPROM. Standby mode supply current is typically less
than 1 µA at 3V. The AT27BV010 simplifies system design
and stretches battery lifetime even further by eliminating
the need for power supply regulation.
The AT27BV010 is available in industry standard JEDEC-
approved one-time programmable (OTP) plastic PLCC
and TSOP packages. All devices feature two-line control
(CE, OE) to give designers the flexibility to prevent bus
contention.
The AT27BV010 operating with VCC at 3.0V produces TTL
level outputs that are compatible with standard TTL logic
devices operating at VCC = 5.0V. At VCC = 2.7V, the part
is compatible with JEDEC approved low voltage battery
operation (LVBO) interface 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.
Atmel’s AT27BV010 has additional features to ensure
high quality and efficient production use. The RapidPro-
gramming Algorithm reduces the time required to program
the part and guarantees reliable programming. Program-
ming time is typically only 100 µs/byte. The Integrated
Product Identification Code electronically identifies the de-
vice and manufacturer. This feature is used by industry
standard programming equipment to select the proper
programming algorithms and voltages. The AT27BV010
programs exactly the same way as a standard 5V
AT27C010 and uses the same programming equipment.
System Considerations
Switching between active and standby conditions via the
Chip Enable pin may produce transient voltage excur-
sions. Unless accommodated by the system design, these
transients may exceed data sheet limits, resulting in de-
vice non-conformance. At a minimum, a 0.1 µF high fre-
quency, low inherent inductance, ceramic capacitor
should be utilized for each device. This capacitor should
be connected between the VCC and Ground terminals of
the device, as close to the device as possible. Additionally,
to stabilize the supply voltage level on printed circuit
boards with large EPROM arrays, a 4.7 µF bulk electrolytic
capacitor should be utilized, again connected between the
VCC and Ground terminals. This capacitor should be posi-
tioned as close as possible to the point where the power
supply is connected to the array.
3-24 AT27BV010


Part Number AT27BV010
Description 1 Megabit 128K x 8 Unregulated Battery-Voltage OTP CMOS EPROM
Maker ATMEL Corporation
Total Page 9 Pages
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