Low-voltage Power Supply Range, 3.0V 3.6V, Standard Supply Range Compa

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Low-voltage Power Supply Range, 3.0V 3.6V, Standard Supply Range Compa

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8-bit Multiplexed Addresses/Outputs Fast Read Access Time Dual Voltage Range Operation
Low-voltage Power Supply Range, 3.0V 3.6V, Standard Supply Range Compatible with Standard AT27C520 Low-power CMOS Operation Standby 3.6V Active 3.6V JEDEC Standard Packages 20-lead TSSOP 20-lead SOIC High-reliability CMOS Technology 2,000V Protection Latch-up Immunity Rapid Programming Algorithm µs/Byte (Typical) CMOS- TTL-compatible Inputs Outputs JEDEC Standard LVTTL Integrated Product Identification Code Industrial Temperature Range Green (Pb/Halide-free) Packaging Option
512K (64K Multiplexed Addresses/ Outputs Low-voltage EPROM AT27LV520
Description
AT27LV520 low-power, high-performance, 524,288-bit one-time programmable read-only memory (OTP EPROM) organized eight bits. incorporates latches eight lower order address bits multiplex with eight data bits. This minimizes system chip count, reduces cost, simplifies design multiplexed systems. requires only power supply range 3.0V 3.6V normal read mode operation, making ideal fast, portable systems using battery power. byte accessed less than AT27LV520 available 20-lead TSSOP 20-lead SOIC, one-time programmable (OTP) plastic packages. Atmel's innovative design techniques provide fast speeds that rival parts while keeping power consumption 3.3V supply. 3.0V, byte accessed less than With typical power dissipation only 3.3V, AT27LV520 consumes less than fifth power standard EPROM. Standby mode achieved asserting high. Standby mode supply current typically less than 3.3V. AT27LV520 operating with 3.0V produces level outputs that compatible with standard logic devices operating 5.0V. device also capable standard 5-volt operation making ideally suited dual supply range systems card products that pluggable both 3-volt 5-volt hosts.
0911F-EPROM-10/05
Atmel's AT27LV520 additional features ensure high quality efficient production use. Rapid Programming Algorithm reduces time required program part guarantees reliable programming. Programing time typically only µs/byte. Integrated Product Identification Code electronically identifies device manufacturer. This feature used industry-standard programming equipment select proper programming algorithms voltages. AT27LV520 programs exactly same standard AT27C520 uses same programming equipment.
Configurations
Name /VPP Function Addresses Addresses/Outputs Output Enable/Program Supply Address Latch Enable
20-lead TSSOP View
OE/VPP
20-lead SOIC View
OE/VPP
AT27LV520
0911F-EPROM-10/05
AT27LV520
System Considerations
Switching under active conditions produce transient voltage excursions. Unless accommodated system design, these transients exceed datasheet limits, resulting device non-conformance. minimum, high frequency, inherent inductance, ceramic capacitor should utilized each device. This capacitor should connected between Ground terminals device, close device possible. Additionally, stabilize supply voltage level printed circuit boards with large EPROM arrays, bulk electrolytic capacitor should utilized, again connected between Ground terminals. This capacitor should positioned close possible point where power supply connected array.
Block Diagram
OE/VPP ALE, PROGRAM LOGIC OUTPUT BUFFERS
LATCHES
DECODER
Y-GATING
DECODER
CELL MATRIX
IDENTIFICATION
Absolute Maximum Ratings*
Temperature under Bias -55°C +125°C Storage Temperature -65°C +150°C Voltage with Respect Ground .-2.0V +7.0V(1) Voltage with Respect Ground .-2.0V +14.0V(1) Supply Voltage with Respect Ground .-2.0V +14.0V(1) Note: Minimum voltage -0.6V which undershoot -2.0V pulses less than Maximum output voltage 0.75V which overshoot +7.0V pulses less than *NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" cause permanent damage device. This stress rating only functional operation device these other conditions beyond those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
0911F-EPROM-10/05
Operating Modes
Mode/Pin Read
VIL/VIH
OE/VPP
DOUT High Z/A0 Identification Code
Output Disable Standby
VH(5)
Address Latch Enable Rapid Program(3)
Product Identification(4)
Notes:
VIH. Read, output disable, standby modes require 3.0V 3.6V, 4.5V 5.5V. Refer Programming Characteristics. 12.0 0.5V. identifier bytes selected. inputs held (VIL), except which which toggled (VIL) select Manufacturer's Identification byte high (VIH) select Device Code byte.
Operating Conditions Read Operation
AT27LV520-70 Industrial Operating Temp. (Case) Supply -40°C +85°C 3.0V 3.6V AT27LV520-90 -40°C +85°C 3.0V 3.6V
Operating Characteristics Read Operation
Symbol Parameter Condition Units 3.0V 3.6V
Input Load Current Output Leakage Current Standby Current Active Current Input Voltage Input High Voltage Output Voltage Output High Voltage
VOUT 0.3V; GND/VCC 0.3V MHz, IOUT -0.6 -2.0
4.5V 5.5V
Input Load Current Output Leakage Current Standby Current Active Current Input Voltage Input High Voltage Output Voltage Output High Voltage
VOUT 0.3V; GND/VCC 0.3V MHz, IOUT -0.6 -400
Note:
standby current will slightly higher with ALE, levels.
AT27LV520
0911F-EPROM-10/05
AT27LV520
Characteristics Read Operation
3.0V 3.6V 4.5V 5.5V
AT27LV520-70 Symbol tACC(3) tALE
(4)(5)
AT27LV520-90 Units
Parameter Address Output Delay Address Latch Enable Output Delay Address Setup Time Address Hold Time Address Latch Enable Width OE/VPP Output Delay OE/VPP High Output Float Output Hold from Address OE/VPP, Whichever Occurred First
Condition OE/VPP Address Valid OE/VPP OE/VPP OE/VPP
Waveforms Read Operation(1)
tALE OE/VPP DATA
ADDRESS
tACC
Notes: Timing measurement reference levels speed grades 0.8V 2.0V. Input drive levels 0.45V 2.4V. OE/VPP delayed after address valid without impact tCE. OE/VPP delayed tACC after address valid without impact tACC. This parameter only sampled 100% tested. Output float defined point when data longer driven.
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Input Test Waveforms Measurement Levels
(10% 90%)
Output Test Load
Note:
including capacitance.
Capacitance
MHz, 25°C(1)
Symbol COUT Note: Units Conditions VOUT
Typical values nominal supply voltage. This parameter only sampled 100% tested.
AT27LV520
0911F-EPROM-10/05
AT27LV520
Programming Waveforms
PROGRAM 6.5V 5.0V tVCS OE/VPP tPRT tALE tLAS ADDR ADDRESS STABLE tLAH DATA tALE tLAS ADDR tLAH tOES tOEH READ (VERIFY)
DATA
tDFP
Notes:
Input Timing Reference 0.8V 2.0V VIH. tDFP characteristics device must accommodated programmer.
Programming Characteristics
5°C, 0.25V, OE/VPP 13.0 0.25V
Limits Symbol ICC2 IPP2 Parameter Input Load Current Input Level Input High Level Output Voltage Output High Voltage Supply Current (Program Verify) OE/VPP Current -400 Test Conditions VIL, -0.6 Units
0911F-EPROM-10/05
Programming Characteristics
5°C, 0.25V, OE/VPP 13.0 0.25V
Limits Symbol tALE tLAS tLAH tOES tOEH tVCS tDFP tPRT Notes: Parameter(1) Address Latch Enable Width Latched Address Setup Time Latched Address Hold Time OE/VPP High Voltage Delay OE/VPP Setup Time OE/VPP Hold Time Data Setup Time Data Hold Time Program Pulse Width OE/VPP Recovery Time Setup Time Data Valid from OE/VPP OE/VPP High Output Float Delay(3) Address Setup Time Address Hold Time OE/VPP Pulse Rise Time During Programming Program Pulse width tolerance µsec This parameter only sampled 100% tested. Output Float defined point where data longer driven timing diagram. Output Timing Reference Level: 0.8V 2.0V
Test Conditions
Units
Input Rise Fall Times: (10% 90%) Input Pulse Levels: 0.45V 2.4V Input Timing Reference Level: 0.8V 2.0V
47.5 52.5
must applied simultaneously before OE/VPP removed simultaneously after OE/VPP.
Atmel's AT27LV520 Integrated Product Identification Code
Pins Codes Manufacturer Device Type Note: Data
AT27LV520 same product identification code AT27C520. Both programming compatible.
AT27LV520
0911F-EPROM-10/05
AT27LV520
Rapid Programming Algorithm
pulse width used program. address first location. raised 6.5V OE/VPP raised 13.0V. Each address first programmed with pulse without verification. Then verification/reprogramming loop executed each address. event byte fails pass verification, successive pulses applied with verification after each pulse. byte fails verify after pulses have been applied, part considered failed. After byte verifies properly, next address selected until have been checked. OE/VPP then lowered 5.0V. bytes read again compared with original data determine device passes fails.
START
ADDR FIRST LOCATION
6.5V 13.0V
PROGRAM PULSE
INCREMENT ADDRESS
LAST ADDR.?
ADDR FIRST LOCATION INCREMENT ADDRESS LAST ADDR.? PROGRAM PULSE PASS VERIFY BYTE FAIL INCREMENT
5.0V 5.0V
COMPARE BYTES ORIGINAL DATA PASS DEVICE PASSED
FAIL
DEVICE FAILED
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Ordering Information
19.1 Standard Package
(mA) Active Ordering Code AT27LV520-70SI AT27LV520-70XI AT27LV520-90SI AT27LV520-90XI Package Operation Range Industrial (-40°C +85°C) Industrial (-40°C +85°C)
tACC (ns)
19.2
Green Package (Pb/Halide-free)
(mA) Active Ordering Code AT27LV520-70SU AT27LV520-70XU AT27LV520-90XU Package Operation Range Industrial (-40°C +85°C) Industrial (-40°C +85°C)
tACC (ns)
Package Type 20-lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC) 20-lead, Body Width, Plastic Thin Shrink Small Outline (TSSOP)
AT27LV520
0911F-EPROM-10/05
AT27LV520
Packaging Information
20.1 SOIC
Dimensions Millimeters (Inches). Controlling dimension: Inches. JEDEC Standard MS-013
0.51(0.020) 0.33(0.013)
7.60 (0.2992) 10.65 (0.419) 7.40 (0.2914) 10.00 (0.394)
1.27 (0.050)
13.00 (0.5118) 12.60 (0.4961)
2.65 (0.1043) 2.35 (0.0926)
0.30(0.0118) 0.10 (0.0040)
0.32 (0.0125) 0.23 (0.0091)
1.27 (0.050) 0.40 (0.016)
10/23/03 2325 Orchard Parkway Jose, 95131 TITLE 20S, 20-lead, 0.300" Body, Plastic Gull Wing Small Outline (SOIC) DRAWING REV.
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20.2
TSSOP
Dimensions Millimeters (Inches). Controlling dimension: Millimeters. JEDEC Standard MO-153
INDEX MARK
4.50 (0.177) 6.50 (0.256) 4.30 (0.169) 6.25 (0.246)
6.60 (.260) 6.40 (.252)
1.20 (0.047)
0.65 (.0256) 0.30 (0.012) 0.19 (0.007)
0.15 (0.006) 0.05 (0.002)
SEATING PLANE
0.20 (0.008) 0.09 (0.004)
0.75 (0.030) 0.45 (0.018)
10/23/03 2325 Orchard Parkway Jose, 95131 TITLE 20X, (Formerly 20T), 20-lead, Body Width, Plastic Thin Shrink Small Outline Package (TSSOP) DRAWING REV.
AT27LV520
0911F-EPROM-10/05
Atmel Corporation
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0911F-EPROM-10/05

Low-voltage Power Supply Range, 3.0V 3.6V, Standard Supply Range Compa

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