AT49F020-90TC Atmel, AT49F020-90TC Datasheet - Page 5

• Manufacturer Part Number: AT49F020-90TC
• Manufacturer: Atmel

Specifications of AT49F020-90TC

• Cell Type: NOR
• Density: 2Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP-I
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and
Measurement Level
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
Symbol
t
t
t
t
t
Symbol
C
C
t
ACC
CE
OE
DF
OH
R
IN
OUT
, t
(1)
(3)(4)
(2)
F
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
CE may be delayed up to t
OE may be delayed up to t
without impact on t
t
This parameter is characterized and is not 100% tested.
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or
Address, whichever occurred first
is specified from OE or CE whichever occurs first (CL = 5 pF).
(1)
Typ
4
8
ACC
(1)(2)(3)(4)
.
CE
ACC
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Min
AT49F020-90
0
0
0
Max
12
6
Max
90
90
40
25
Output Test Load
Min
AT49F020-12
0
0
0
Units
pF
pF
Max
120
120
50
30
CE
ACC
or by t
.
ACC
Min
AT49F020-15
0
0
0
- t
OE
after an address change
Conditions
Max
V
150
150
70
40
V
OUT
IN
= 0V
= 0V
Units
ns
ns
ns
ns
ns
5