AT49LW040-33JC Atmel, AT49LW040-33JC Datasheet - Page 24

• Manufacturer Part Number: AT49LW040-33JC
• Manufacturer: Atmel

Specifications of AT49LW040-33JC

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 30ns
• Interface Type: Parallel/Serial
• Boot Type: Top
• Address Bus: 4/11Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 85C
• Package Type: PLCC
• Program/erase Volt (typ): 3 to 3.6V
• Sync/async: Async/Sync
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 67mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

A/A Mux Read-only Operations
Note:
A/A Mux Read Timing Diagram
24
Symbol
t
t
t
t
t
t
t
t
t
t
t
AVAV
AVCL
CLAX
AVCH
CHAX
CHQV
GLQV
PHAV
GLQX
GHQZ
QXGH
ADDRESSES
1. See AC Input/Output Reference Waveform for maximum allowable input slew rate.
2. OE may be delayed up to t
3. T
AT49LW040
C
RST
Parameter
Read Cycle Time
Row Address Setup to R/C Low
Row Address Hold from R/C Low
Column Address Setup to R/C High
Column Address Hold from R/C High
R/C High to Output Delay
OE Low to Output Delay
RST High to Row Address Setup
OE Low to Output in Low-Z
OE High to Output in High-Z
Output Hold from OE High
R/C
I/O
WE
OE
= 0 C to +85 C, 3.3V + 0.3V V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
t
PHAV
(2)
CHQV
t
(2)
AVCL
- t
GLQV
CC
Row Address
(1)(2)
.
Stable
after the rising edge of R/C without impact on t
t
CLAX
High-Z
Column Address
t
AVCH
Stable
t
AVAV
t
GLQX
t
CHAX
t
CHQV
Data Valid
t
CHQV
GLQV
.
Min
250
Next Address
50
50
50
50
1
0
0
Stable
t
t
QXGH
GHQZ
Max
150
50
50
3342A–FLASH–6/03
High-Z
Units
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns