AT49F008AT-90TI Atmel, AT49F008AT-90TI Datasheet - Page 8

• Manufacturer Part Number: AT49F008AT-90TI
• Manufacturer: Atmel

Specifications of AT49F008AT-90TI

• Cell Type: NOR
• Density: 8Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 20/19Bit
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP-I
• 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: 8/16Bit
• Number Of Words: 1M/512K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 40
• Lead Free Status / Rohs Status: Not Compliant

AC Read Characteristics
AC Read Waveforms
Notes:
8
Symbol
t
t
t
t
t
t
ACC
CE
OE
DF
OH
RO
(1)
(3)(4)
(2)
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.
AT49F008A(T)/8192A(T)
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
RESET to Output Delay
is specified from OE or CE, whichever occurs first (C
ACC
(1)(2)(3)(4)
.
ACC
CE
RESET
CE
OE
- t
OUTPUT
- t
ADDRESS
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
t
ACC
t
RO
ADDRESS VALID
t
CE
t
OE
AT49F008A/8192A(T)-70
Min
L
0
0
0
= 5 pF).
OUTPUT
VALID
Max
t
800
OH
70
70
35
25
t
DF
CE
ACC
or by t
AT49F008A/8192A(T)-90
.
Min
0
0
0
ACC
- t
OE
after an address change
Max
800
90
90
40
25
1199G–FLASH–11/02
Units
ns
ns
ns
ns
ns
ns