Rainbow Electronics AT27LV520 - 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)