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AT27LV520-90

Description
512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM
File Size94KB,10 Pages
ManufacturerAtmel (Microchip)
Download Datasheet Compare View All

AT27LV520-90 Overview

512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM

Features
8-Bit Multiplexed Addresses/Outputs
Fast Read Access Time - 90 ns
Dual Voltage Range Operation
– Low-Voltage Power Supply Range, 3.0V to 3.6V, or
– Standard 5V
±
10% Supply Range
Low Power CMOS Operation
– 20
µ
A max. Standby for ALE = V
IH
and V
CC
= 3.6V
– 29 mW max. Active at 5 MHz for V
CC
= 3.6V
20-Lead TSSOP Package
High Reliability CMOS Technology
– 2,000V ESD Protection
– 200 mA Latchup Immunity
Rapid
Programming Algorithm - 50
µ
s/byte (typical)
CMOS and TTL Compatible Inputs and Outputs
– JEDEC Standard for LVTTL
Integrated Product Identification Code
Commercial and Industrial Temperature Range
Description
The AT27LV520 is a low-power, high-performance 524,288-bit one-time programma-
ble read only memory (OTP EPROM) organized 64K by 8 bits. It incorporates latches
for the 8 lower order address bits to multiplex with the 8 data bits. This minimizes sys-
tem chip count, reduces cost, and simplifies the design of multiplexed bus systems. It
requires only one power supply in the range of 3.0V to 3.6V for normal read mode
operation, making it ideal for fast, portable systems using battery power. Any byte can
be accessed in less than 90 ns.
The AT27LV520 is available in 173 mil, 20-pin TSSOP, 300 mil, 20-pin SOIC and 28-
pin TSOP, one-time programmable (OTP) plastic packages.
(continued)
512K (64K x 8)
Multiplexed
Addresses/
Outputs
Low Voltage
OTP EPROM
AT27LV520
Pin Configurations
Pin Name
A8 - A15
AD0 - AD7
OE /V
PP
ALE
Function
Addresses
Addresses/Outputs
Output Enable/V
PP
Address Latch Enable
TSOP Top View
A10
NC
NC
A12
A14
ALE
VCC
OE/VPP
A15
A13
A11
NC
NC
A9
22
23
24
25
26
27
28
1
2
3
4
5
6
7
21
20
19
18
17
16
15
14
13
12
11
10
9
8
A8
NC
NC
AD1
AD3
AD5
AD7
GND
AD6
AD4
AD2
NC
NC
AD0
TSSOP Top View
A10
A12
A14
ALE
VCC
OE/VPP
A15
A13
A11
A9
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
A8
AD1
AD3
AD5
AD7
GND
AD6
AD4
AD2
AD0
SOIC Top View
OE/VPP
A15
A13
A11
A9
AD0
AD2
AD4
AD6
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
ALE
A14
A12
A10
A8
AD1
AD3
AD5
AD7
Rev. 0911B-B–01/98
1

AT27LV520-90 Related Products

AT27LV520-90 AT27LV520-90TC AT27LV520 AT27LV520-90SI AT27LV520-90TI AT27LV520-90XC
Description 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM
Is it Rohs certified? - incompatible - incompatible incompatible incompatible
Parts packaging code - TSOP - SOIC TSOP TSSOP
package instruction - TSOP1, TSSOP28,.53,22 - SOP, SOP20,.4 TSOP1, TSSOP28,.53,22 0.173 INCH, TSSOP-20
Contacts - 28 - 20 28 20
Reach Compliance Code - compli - compli compli unknow
ECCN code - EAR99 - EAR99 EAR99 EAR99
Maximum access time - 90 ns - 90 ns 90 ns 90 ns
Other features - USER SELECTABLE 5V VCC - ALSO OPERATES AT 5V SUPPLY USER SELECTABLE 5V VCC CAN ALSO BE OPERATED AT 5V
I/O type - COMMON - COMMON COMMON COMMON
JESD-30 code - R-PDSO-G28 - R-PDSO-G20 R-PDSO-G28 R-PDSO-G20
JESD-609 code - e0 - e0 e0 e0
length - 11.8 mm - 12.8 mm 11.8 mm 6.5 mm
memory density - 524288 bi - 524288 bi 524288 bi 524288 bi
Memory IC Type - OTP ROM - OTP ROM OTP ROM OTP ROM
memory width - 8 - 8 8 8
Humidity sensitivity level - 3 - 2 3 2
Number of functions - 1 - 1 1 1
Number of terminals - 28 - 20 28 20
word count - 65536 words - 65536 words 65536 words 65536 words
character code - 64000 - 64000 64000 64000
Operating mode - ASYNCHRONOUS - ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS
Maximum operating temperature - 70 °C - 85 °C 85 °C 70 °C
organize - 64KX8 - 64KX8 64KX8 64KX8
Output characteristics - 3-STATE - 3-STATE 3-STATE 3-STATE
Package body material - PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - TSOP1 - SOP TSOP1 TSSOP
Encapsulate equivalent code - TSSOP28,.53,22 - SOP20,.4 TSSOP28,.53,22 TSSOP20,.25
Package shape - RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE, THIN PROFILE - SMALL OUTLINE SMALL OUTLINE, THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Parallel/Serial - PARALLEL - PARALLEL PARALLEL PARALLEL
Peak Reflow Temperature (Celsius) - 240 - 240 240 240
power supply - 3.3/5 V - 3.3/5 V 3.3/5 V 3.3/5 V
Certification status - Not Qualified - Not Qualified Not Qualified Not Qualified
Maximum seat height - 1.2 mm - 2.65 mm 1.2 mm 1.2 mm
Maximum standby current - 0.00002 A - 0.00002 A 0.00002 A 0.00002 A
Maximum slew rate - 0.02 mA - 0.02 mA 0.02 mA 0.02 mA
Maximum supply voltage (Vsup) - 3.6 V - 3.6 V 3.6 V 3.6 V
Minimum supply voltage (Vsup) - 3 V - 3 V 3 V 3 V
Nominal supply voltage (Vsup) - 3.3 V - 3.3 V 3.3 V 3.3 V
surface mount - YES - YES YES YES
technology - CMOS - CMOS CMOS CMOS
Temperature level - COMMERCIAL - INDUSTRIAL INDUSTRIAL COMMERCIAL
Terminal surface - Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form - GULL WING - GULL WING GULL WING GULL WING
Terminal pitch - 0.55 mm - 1.27 mm 0.55 mm 0.65 mm
Terminal location - DUAL - DUAL DUAL DUAL
Maximum time at peak reflow temperature - NOT SPECIFIED - 30 NOT SPECIFIED 30
width - 8 mm - 7.5 mm 8 mm 4.4 mm
Base Number Matches - 1 - 1 1 1
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