AT49BV642D-70TU Atmel, AT49BV642D-70TU Datasheet - Page 19

• Manufacturer Part Number: AT49BV642D-70TU
• Description: IC FLASH 64MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49BV642D-70TU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 64M (4M x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16. AC Read Characteristics
17. Asynchronous Read Cycle Waveform
Notes:
3631A–FLASH–04/06
Symbol
t
t
t
t
t
t
t
RC
ACC
CE
OE
DF
OH
RO
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
without impact on t
DF
is specified from OE or CE, whichever occurs first (CL = 5 pF).
Parameter
Read Cycle Time
Access, Address to Data Valid
Access, CE to Data Valid
OE to Data Valid
CE, OE High to Data Float
Output Hold from OE, CE or Address, whichever Occurs First
RESET to Output Delay
I/O0 - I/O15
A0 - A21
ACC
RESET
.
CE
OE
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
t
t
ACC
RO
ADDRESS VALID
t
CE
t
OE
t
RC
(1)(2)(3)
OUTPUT
VALID
t
Min
OH
70
0
CE
t
DF
ACC
or by t
.
ACC
AT49BV642D(T)
- t
Max
100
70
70
20
25
OE
after an address change
Units
ns
ns
ns
ns
ns
ns
ns
19