AT49F040-55PI Atmel, AT49F040-55PI Datasheet - Page 6

• Manufacturer Part Number: AT49F040-55PI
• Manufacturer: Atmel

Specifications of AT49F040-55PI

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 55ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: PDIP
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and
Measurement Level
t
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
6
R
Symbol
t
t
t
t
t
Symbol
C
C
, t
ACC
CE
OE
DF
OH
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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
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
is specified from OE or CE whichever occurs first (C
(1)
Typ
4
8
AT49F040
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
AT49F040-55
Min
0
0
0
Max
12
6
Max
55
55
30
25
L
Output Test Load
= 5 pF).
AT49F040-70
Min
0
0
0
Max
70
70
35
25
Units
pF
pF
AT49F040-90
Min
CE
0
0
0
ACC
or by t
.
Max
ACC
90
90
40
25
- t
OE
AT49F040-12
after an address change
Min
0
0
0
Conditions
V
V
OUT
IN
= 0V
Max
120
120
= 0V
50
30
Units
ns
ns
ns
ns
ns