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AT27C4096 Datasheet, PDF (7/9 Pages) ATMEL Corporation – 4-Megabit 256K x 16 OTP EPROM
AT27C4096
AC Programming Characteristics
TA = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V
Symbol Parameter
Test Conditions(1)
Limits
Min
Max
Units
tAS
tOES
tDS
tAH
tDH
tDFP
tVPS
tVCS
tPW
tOE
tPRT
Address Setup Time
OE Setup Time
Data Setup Time
Address Hold Time
Data Hold Time
OE High to Output Float Delay(2)
VPP Setup Time
VCC Setup Time
CE Program Pulse Width(3)
Data Valid from OE
VPP Pulse Rise Time During
Programming
2
µs
2
µs
Input Rise and Fall Times
2
µs
(10% to 90%) 20ns
0
µs
Input Pulse Levels
2
0.45V to 2.4V
0
µs
130
ns
Input Timing Reference Level
2
µs
0.8V to 2.0V
2
µs
Output Timing Reference Level 47.5
52.5
µs
0.8V to 2.0V
150
ns
50
ns
Notes:
1. VCC 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 50 µsec ± 5%.
Atmel’s 27C4096 Intergrated Product Identification Code
Codes
Manufacturer
Device Type
Pins
A0 015-08 O7 O6 O5 O4 O3 O2 O1 O0 Hex Data
0
0
0
0
0
1
1
1
1
0
001E
1
0
1
1
1
1
0
1
0
0
00F4
7