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AT27LV020A Datasheet(PDF) 9 Page - ATMEL Corporation

Part # AT27LV020A
Description  2-Megabit (256K x 8) Low Voltage OTP EPROM
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT27LV020A Datasheet(HTML) 9 Page - ATMEL Corporation

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9
0549G–EPROM–12/07
AT27LV020A
Notes:
1. V
CC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
2. This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven –
see timing diagram.
3. Program Pulse width tolerance is 100 µsec ± 5%.
Note:
1. The AT27LV020A has the same Product Identification Code as the AT27C020. Both are programming compatible.
15. DC Programming Characteristics
T
A = 25 ± 5° C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Symbol
Parameter
Test Conditions
Limits
Units
Min
Max
ILI
Input Load Current
VIN = VIL, VIH
±10
µA
V
IL
Input Low Level
-0.6
0.8
V
V
IH
Input High Level
2.0
V
CC + 0.5
V
VOL
Output Low Voltage
IOL = 2.1 mA
0.4
V
V
OH
Output High Voltage
I
OH = -400 µA
2.4
V
I
CC2
V
CC Supply Current (Program and Verify)
40
mA
IPP2
VPP Supply Current
CE = PGM = VIL
20
mA
V
ID
A9 Product Identification Voltage
11.5
12.5
V
16. AC Programming Characteristics
T
A = 25 ± 5° C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Symbol
Parameter
Test Conditions(1)
Limits
Units
Min
Max
tAS
Address Setup Time
Input Rise and Fall Times
(10% to 90%) 20 ns
Input Pulse Levels
0.45V to 2.4V
Input Timing Reference Level
0.8V to 2.0V
Output Timing Reference Level
0.8V to 2.0V
2µs
t
CES
CE Setup Time
2
µs
tOES
OE Setup Time
2
µs
tDS
Data Setup Time
2
µs
t
AH
Address Hold Time
0
µs
tDH
Data Hold Time
2
µs
tDFP
OE High to Output Float Delay(3)
0130
ns
t
VPS
V
PP Setup Time
2
µs
tVCS
VCC Setup Time
2
µs
tPW
PGM Program Pulse Width(2)
95
105
µs
t
OE
Data Valid from OE
150
ns
t
PRT
VPP Pulse Rise Time During
Programming
50
ns
17. Atmel’s AT27LV020A Integrated Product Identification Code(1)
Codes
Pins
Hex
Data
A0
O7
O6
O5
O4
O3
O2
O1
O0
Manufacturer
0
00011110
1E
Device Type
1
10000110
86


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