AT49LW040-33JC Atmel, AT49LW040-33JC Datasheet - Page 22
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AT49LW040-33JC
Manufacturer Part Number
AT49LW040-33JC
Description
Manufacturer
Atmel
Datasheet
1.AT49LW040-33JC.pdf
(29 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT49LW040-33JC
Manufacturer:
ATMEL
Quantity:
1 831
Part Number:
AT49LW040-33JC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Interface Measurement Condition Parameters
Note:
Reset Operations
Note:
AC Waveform for Reset Operation
Sector Programming Times
Notes:
22
Symbol
V
V
V
V
Input Signal Edge Rate
Symbol
t
Parameter
Byte Program Time
Sector Program Time
Sector Erase Time
PLPH
TH
TL
TEST
MAX
(1)
(1)
(1)
(1)
1. The input test environment is done with 0.1 V
1. A reset latency of 20 µs will occur if a reset procedure is performed during a programming or erase operation.
1. Typical values measured at T
2. Excludes system-level overhead.
AT49LW040
overdrive than this. V
testing may use different voltage values, but must correlate results back to these parameters.
(2)
Parameter
RST or INIT Pulse Low Time (If RST or INIT is tied to V
specification is not applicable)
(2)
(2)
RST
MAX
V
V
IH
IL
specifies the maximum peak-to-peak waveform allowed for measuring the input timing. Production
A
= +25 C and nominal voltages.
t
PLPH
CC
of overdrive over V
Typ
30.0
2.0
0.8
(1)
CC
, this
3.3V V
IH
and V
PP
IL
0.6 V
0.2 V
0.4 V
0.4 V
Value
. Timing parameters must be met with no more
CC
CC
CC
CC
Max
20.0
300
1.0
Min
100
1 V/ns
Max
Units
3342A–FLASH–6/03
V
V
V
V
Unit
sec
sec
µs
Unit
ns