AT27LV520-90XI Atmel, AT27LV520-90XI Datasheet - Page 5

• Manufacturer Part Number: AT27LV520-90XI
• Description: IC OTP 512KBIT 90NS 20TSSOP
• Manufacturer: Atmel

Specifications of AT27LV520-90XI

• Format - Memory: EPROMs
• Memory Type: OTP EPROM
• Memory Size: 512K (64K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT27LV52090XI

9. AC Characteristics for Read Operation
V
10. AC Waveforms for Read Operation
Notes:
0911G–EPROM–8/07
Symbol
t
t
t
t
t
t
t
t
CC
ACC
CE
AS
AH
ALE
OE
DF
OH
(4)(5)
(3)
= 3.0V to 3.6V and 4.5V to 5.5V
(3)
1. Timing measurement reference levels for all speed grades are V
2. OE/V
3. OE/V
4. This parameter is only sampled and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
AD7 - AD0
V
IL
A15 - A8
Address to Output Delay
Address Latch Enable Low to Output Delay
Address Setup Time
Address Hold Time
Address Latch Enable Width
OE/V
OE/V
Output Hold from Address or OE/V
Whichever Occurred First
Parameter
OE/VPP
= 0.45V and V
PP
PP
ALE
PP
PP
may be delayed up to t
may be delayed up to t
High to Output Float
to Output Delay
IH
= 2.4V.
CE
ACC
- t
- t
t ALE
OE
PP
OE
after the address is valid without impact on t
,
after the address is valid without impact on t
t AS
ADDRESS IN
Condition
ALE = OE/V
Address Valid
OE/V
OE/V
OE/V
ALE = V
ALE = V
ALE = V
(1)
PP
PP
PP
IL
IL
IL
= V
= V
= V
t ACC
IH
IH
IH
PP
t AH
OL
= V
t CE
= 0.8V and V
IL
AT27LV520-70
t OE
Min
12
12
40
7
OH
CE
= 2.0V. Input AC drive levels are
DATA OUT
Max
ACC
.
70
55
30
25
.
t OH
AT27LV520-90
Min
15
15
45
0
AT27LV520
Max
90
70
35
25
t DF
Units
ns
ns
ns
ns
ns
ns
ns
ns
5