AT49BV040B-JU Atmel, AT49BV040B-JU Datasheet - Page 10

• Manufacturer Part Number: AT49BV040B-JU
• Description: IC FLASH 4MBIT 70NS 32PLCC
• Manufacturer: Atmel

Specifications of AT49BV040B-JU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AT49BV040B-70JU; AT49BV040B-70JU

11. AC Read Characteristics
12. AC Read Waveforms
Notes:
10
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
(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.
AT49BV040B
without impact on t
DF
is specified from OE or CE whichever occurs first (CL = 5 pF).
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
ACC
ADDRESS
.
OUTPUT
ACC
CE
(1)(2)(3)(4)
OE
- t
CE
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
ADDRESS
t
ACC
t
CE
t
Min
OE
0
0
0
2.7V to 3.6V
VALID
OUTPUT
VALID
Max
70
70
35
25
t
OH
t
DF
CE
ACC
or by t
Min
0
0
0
.
4.5V to 5.5V
ACC
- t
OE
Max
after an address change
55
55
15
25
3499B–FLASH–4/06
Units
ns
ns
ns
ns
ns