Rainbow Electronics AT27LV512A - Manual (Page 8)

AT27LV512A
8
Notes: 1. V
CC
must be applied simultaneously or before OE/V
PP
and removed simultaneously or after OE/V
PP
.
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
µ
sec
±
5%.
Note: 1. The AT27LV512A has the same Product Identification Code as the AT27C512R. Both are programming compatible.
AC Programming Characteristics
T
A
= 25
±
5°C, V
CC
= 6.5
±
0.25V, OE/V
PP
= 13.0
±
0.25V
Symbol Parameter Test Conditions (1)
Limits
Units Min Max
t
AS
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
2
µ
s
t
OES
OE/V
PP
Setup Time 2
µ
s
t
OEH
OE/V
PP
Hold Time 2
µ
s
t
DS
Data Setup Time 2
µ
s
t
AH
Address Hold Time 0
µ
s
t
DH
Data Hold Time 2
µ
s
t
DFP
CE High to Output Float Delay (2) 0 130 ns
t
VCS
V
CC
Setup Time 2
µ
s
t
PW
CE Program Pulse Width (3) 95 105
µ
s
t
DV
Data Valid from CE (2) 1
µ
s
t
VR
OE/V
PP
Recovery Time 2
µ
s
t
PRT
OE/V
PP
Pulse Rise Time During
Programming
50 ns
Atmel’s 27LV512A Integrated Product Identification Code (1)
Codes
Pins
Hex
Data A0 O7 O6 O5 O4 O3 O2 O1 O0
Manufacturer 0 0 0 0 1 1 1 1 0 1E
Device Type 1 0 0 0 0 0 1 0 1 0D