AT27BV020-12CC ATMEL Corporation, AT27BV020-12CC Datasheet

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AT27BV020-12CC

Manufacturer Part Number
AT27BV020-12CC
Description
2-Megabit 256K x 8 Unregulated Battery-Voltage High Speed OTP EPROM
Manufacturer
ATMEL Corporation
Datasheet
Features
Description
The AT27BV020 is a high-performance, low-power, low-voltage 2,097,152-bit one-
time programmable read only memory (OTP EPROM) organized as 256K by 8 bits. It
requires only one supply in the range of 2.7 to 3.6V in normal read mode operation,
making it ideal for fast, portable systems using either regulated or unregulated battery
power.
Pin Configurations
Pin Name
A0 - A17
O0 - O7
CE
OE
PGM
Fast Read Access Time - 90 ns
Dual Voltage Range Operation
Compatible with JEDEC Standard AT27C020
Low Power CMOS Operation
Wide Selection of JEDEC Standard Packages
High Reliability CMOS Technology
Rapid
CMOS and TTL Compatible Inputs and Outputs
Integrated Product Identification Code
Commercial and Industrial Temperature Ranges
– Unregulated Battery Power Supply Range, 2.7V to 3.6V
– 20 A max. (less than 1 A typical) Standby for V
– 29 mW max. Active at 5 MHz for V
– 32-Lead PLCC
– 32-Lead TSOP (8 x 20mm)
– 32-Lead VSOP (8 x 14mm)
– 42-Ball CBGA (8 x 8mm)
– 2,000V ESD Protection
– 200 mA Latchup Immunity
– JEDEC Standard for LVTTL and LVBO
or Standard 5V
Programming Algorithm - 100 s/byte (typical)
PLCC, Top View
Function
Address
Outputs
Chip Enable
Output Enable
Program Strobe
10% Supply Range
CC
= 3.6V
C
D
A
B
E
F
TSOP , VSOP Top View
GND
A17
A10
A14
A16
A15
CC
1
CBGA Top View
= 3.6V
A13
A11
A12
NC
O6
O7
2
VCC
PGM
O4
O5
A9
A8
3
Type 1
VCC
NC
NC
NC
NC
NC
4
VPP
O2
NC
O3
NC
A7
5
OE
O0
O1
A6
A4
A5
6
GND
CE
A0
A3
A1
A2
7
(continued)
AT27BV020
2-Megabit
(256K x 8)
Unregulated
Battery-Voltage
High Speed
OTP EPROM
AT27BV020
0902A-A–10/97
1

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AT27BV020-12CC Summary of contents

Page 1

... Commercial and Industrial Temperature Ranges Description The AT27BV020 is a high-performance, low-power, low-voltage 2,097,152-bit one- time programmable read only memory (OTP EPROM) organized as 256K by 8 bits. It requires only one supply in the range of 2.7 to 3.6V in normal read mode operation, making it ideal for fast, portable systems using either regulated or unregulated battery power ...

Page 2

... MHz and V consumes less than one fifth the power of a standard 5V EPROM. Standby mode supply current is typically less than 3V. The AT27BV020 simplifies system design and stretches battery lifetime even further by eliminating the need for power supply regulation ...

Page 3

Block Diagram Absolute Maximum Ratings* Temperature Under Bias .................................. -40°C to +85°C Storage Temperature ..................................... -65°C to +125°C Voltage on Any Pin with Respect to Ground .........................................-2.0V to +7.0V Voltage on A9 with Respect to Ground ......................................-2.0V to +14.0V V ...

Page 4

... MHz mA OUT -400 and removed simultaneously with or after expect during programming. The supply current would then be the sum AT27BV020 -12 0°C - 70°C 0°C - 70°C -40°C - 85°C -40°C - 85°C 2.7V to 3.6V 2.7V to 3. Preliminary Information Min Max ...

Page 5

... Output float is defined as the point when data is no longer driven. Condition ( after the falling edge of CE without impact after the address is valid without impact on t ACC OE AT27BV020 -90 -12 -15 Min Max Min Max Min 90 120 90 120 ...

Page 6

... F (1) Pin Capacitance ( MHz 25°C) Typ OUT Note: Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. AT27BV020 6 Output Test Load Note 100 pF including jig capacitance. Max Units Conditions ...

Page 7

... 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 AT27BV020 a 0.1 F capacitor is required across V transients. DC Programming Characteristics 5° 6.5 0.25V Symbol Parameter I Input Load Current LI V Input Low Level ...

Page 8

... Atmel’s 27BV020 Integrated Product Identification Code Codes A0 Manufacturer 0 1 Device Type Note: The AT27BV020 has the same Product Identification Code as the AT27C020. Both are programming compatible. AT27BV020 8 = 13.0 ± 0.25V PP (1) AC Conditions of Test Input Rise and Fall Times Input Pulse Levels ...

Page 9

Rapid Programming Algorithm A 100 s PGM pulse width is used to program. The address is set to the first location raised to 13.0V. Each address is first programmed PP with one 100 s PGM pulse without ...

Page 10

... Plastic Thin Small Outline Package (TSOP 20mm) 32V 32-Lead, Plastic Thin Small Outline Package (VSOP 14mm) AT27BV020 10 Standby Ordering Code 0.02 AT27BV020-90CC AT27BV020-90JC AT27BV020-90TC AT27BV020-90VC 0.02 AT27BV020-90CI AT27BV020-90JI AT27BV020-90TI AT27BV020-90VI 0.02 AT27BV020-12CC AT27BV020-12JC AT27BV020-12TC AT27BV020-12VC 0.02 AT27BV020-12CI AT27BV020-12JI AT27BV020-12TI AT27BV020-12VI 0.02 AT27BV020-15CC AT27BV020-15JC AT27BV020-15TC AT27BV020-15VC 0.02 AT27BV020-15CI AT27BV020-15JI AT27BV020-15TI ...

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