Programming waveforms, Dc programming characteristics – Rainbow Electronics AT27LV520 User Manual
Page 7
AT27LV520
7
Programming Waveforms
Notes:
1. The Input Timing Reference is 0.8V for V
IL
and 2.0V for V
IH
.
2. t
OE
and t
DFP
are characteristics of the device but must be accommodated by the programmer.
DC Programming Characteristics
T
A
= 25
± 5°C, V
CC
= 6.5
± 0.25V, OE/V
PP
= 13.0
± 0.25V
Symbol
Parameter
Test Conditions
Limits
Units
Min
Max
I
LI
Input Load Current
V
IN
= V
IL
, V
IH
±10
µA
V
IL
Input Low Level
-0.6
0.8
V
V
IH
Input High Level
2.0
V
CC
+ 1.0
V
V
OL
Output Low Voltage
I
OL
= 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)
25
mA
I
PP2
OE/V
PP
Current
ALE = V
IH
25
mA
V
CC
OE/V
PP
ALE
AD7 - AD0
A15 - A8
6.5V
5.0V
13V
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
tVCS
tOES
tPRT
tLP
tALE
ADDR
tLAS
tLAH
tAS
DATA IN
tPW
tOEH
tVR
tDH
tDS
ADDR
tALE
tLAH
tLAS
DATA OUT
tOE
tDFP
tAH
ADDRESS STABLE
PROGRAM
READ (VERIFY)