AT27LV520-90TC ATMEL [ATMEL Corporation], AT27LV520-90TC Datasheet - Page 5

• Manufacturer Part Number: AT27LV520-90TC
• Description: 512K 64K x 8 Multiplexed Addresses/ Outputs Low Voltage OTP EPROM
• Manufacturer: ATMEL [ATMEL Corporation]

AC Waveforms for Read Operation
Notes:
Input Test Waveforms and Measurement Levels
Pin Capacitance
(f = 1 MHz, T = 25 C)
Note:
C
C
t
R
IN
OUT
, t
F
< 20 ns (10% to 90%)
1.
2.
3.
4.
5.
Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.
Timing measurement reference levels for all speed grades are V
0.45V and V
OE/V
OE/V
This parameter is only sampled and is not 100% tested.
Output float is defined as the point when data is no longer driven.
AD7 - AD0
A15 - A8
OE/V
PP
PP
ALE
may be delayed up to t
may be delayed up to t
PP
IH
(Note:)
= 2.4V.
Typ
4
8
CE
ACC
- t
tALE
- t
OE
OE
tAS
after the address is valid without impact on t
Max
after the address is valid without impact on t
12
6
(1)
ADDRESS IN
tACC
tAH
OL
Units
tCE
pF
pF
= 0.8V and V
tOE
OH
DATA OUT
CE
= 2.0V. Input AC drive levels are V
ACC
.
Output Test Load
Note:
tOH
.
Conditions
C
capacitance.
V
V
L
OUT
IN
= 100 pF including jig
= 0V
= 0V
tDF
IL
=
5