AT27C040-90TU Atmel, AT27C040-90TU Datasheet - Page 5

IC OTP 4MBIT 90NS 32TSOP

AT27C040-90TU

Manufacturer Part Number
AT27C040-90TU
Description
IC OTP 4MBIT 90NS 32TSOP
Manufacturer
Atmel
Datasheet

Specifications of AT27C040-90TU

Format - Memory
EPROMs
Memory Type
OTP EPROM
Memory Size
4M (512K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TSOP
Density
4Mb
Organization
512Kx8
Interface Type
Parallel
Bus Type
Parallel
In System Programmable
External
Access Time (max)
90ns
Package Type
TSOP-I
Reprogramming Technique
OTP
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
30mA
Pin Count
32
Mounting
Surface Mount
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
9. AC Characteristics for Read Operation
Note:
10. AC Waveforms for Read Operation
Notes:
0189H–EPROM–12/07
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
(1)
(1)
(1)
(1)
1. See AC Waveforms for Read Operation
1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.
2. OE may be delayed up to t
3. OE may be delayed up to t
4. This parameter is only sampled and is not 100% tested.
5. Output float is defined as the point when data is no longer driven.
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
OE or CE High to Output Float, Whichever Occurred First
Output Hold from Address, CE or OE, Whichever Occurred
First
CE
ACC
- t
- t
OE
OE
after the falling edge of CE without impact on t
after the address is valid without impact on t
Condition
CE = OE
OE = V
CE = V
(1)
= V
IL
IL
IL
Min
0
-70
ACC
CE
Max
.
.
70
70
30
20
AT27C040
Min
0
-90
AT27C040
Max
90
90
35
20
Units
ns
ns
ns
ns
ns
5

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