at49sn6416 ATMEL Corporation, at49sn6416 Datasheet - Page 29

• Manufacturer Part Number: at49sn6416
• Description: 64-megabit 4m X 16 Burst/page Mode 1.8-volt Flash Memory
• Manufacturer: ATMEL Corporation

18. AC Asynchronous Read Timing Characteristics
19. AVD Pulsed Asynchronous Read Cycle Waveform
Notes:
20. Asynchronous Read Cycle Waveform
Notes:
3464C–FLASH–2/05
Symbol
t
t
t
t
t
t
t
t
t
t
t
ACC1
ACC2
CE
OE
AHAV
AVLP
AVHP
AAV
DF
OH
RO
1. After the high-to-low transition on AVD, AVD may remain low as long as the address is stable.
2. CLK may be static high or static low.
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. AVD and CLK should be tied low.
without impact on t
DF
Parameter
Access, AVD To Data Valid
Access, Address to Data Valid
Access, CE to Data Valid
OE to Data Valid
Address Hold from AVD
AVD Low Pulse Width
AVD High Pulse Width
Address Valid to AVD
CE, OE High to Data Float
Output Hold from OE, CE or Address, Whichever Occurred First
RESET to Output Delay
is specified from OE or CE, whichever occurs first (CL = 5 pF).
ACC
.
I/O0-I/O15
A2 -A21
RESET
A0 -A1
AVD
OE
CE
ACC
CE
(1)
- t
I/O0 - I/O15
- t
t AVLP
OE
A0 - A21
CE
RESET
after the falling edge of CE without impact on t
t AVHP
OE
t AAV
t AAV
CE
after the address transition without impact on t
t RO
t ACC2
t ACC2
t ACC1
t CE
t AHAV
t AHAV
HIGH Z
t OE
t
ACC2
t
ADDRESS VALID
RO
t
CE
t
OE
t
RC
(1)(2)(3)(4)
DATA VALID
OUTPUT
VALID
t
OH
t
DF
Min
(1)(2)
10
10
10
9
0
t DF
t DF
CE
ACC
or by t
.
ACC
AT49SN6416(T)
Max
- t
150
70
70
70
20
25
OE
after an address change
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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