AT49F002-90PC Atmel, AT49F002-90PC Datasheet - Page 7

• Manufacturer Part Number: AT49F002-90PC
• Description: IC FLASH 2MBIT 90NS 32DIP
• Manufacturer: Atmel

Specifications of AT49F002-90PC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT49F00290PC

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveform and
Measurement Level
t
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
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. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
1. This parameter is characterized and is not 100% tested.
without impact on t
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)
ACC
CE
ADDRESS
- t
OUTPUT
- t
OE
Min
CE
0
0
0
after the falling edge of CE without impact on t
CE
OE
after the address transition without impact on t
-55
Max
55
55
30
25
Max
12
6
HIGH Z
ADDRESS
t
ACC
Min
t
CE
0
0
0
t
OE
Output Load Test
-70
VALID
AT49F002(N)(T)
Max
70
70
35
25
OUTPUT
VALID
t
OH
1.3K
Min
t
Units
DF
0
0
0
50 ns
pF
pF
5.0V
OUTPUT
1.8K
-90
CE
ACC
PIN
or by t
30 pF
Max
AT49F002(N)(T)
.
90
90
40
25
ACC
70/90/120 ns
1.8K
1.3K
- t
5.0V
Min
OE
0
0
0
OUTPUT
after an address change
-12
PIN
Conditions
100 pF
V
V
OUT
IN
Max
120
120
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7