AT28BV256-20SU Atmel, AT28BV256-20SU Datasheet - Page 7
![IC EEPROM 256KBIT 200NS 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
AT28BV256-20SU
Manufacturer Part Number
AT28BV256-20SU
Description
IC EEPROM 256KBIT 200NS 28SOIC
Manufacturer
Atmel
Datasheet
1.AT28BV256-20SU.pdf
(17 pages)
Specifications of AT28BV256-20SU
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
200ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Organization
32 K x 8
Interface Type
Parallel
Access Time
200 ns
Output Enable Access Time
80 ns
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
15 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
9. AC Read Characteristics
10. AC Read Waveforms
Notes:
0273K–PEEPR–2/09
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.
without impact on t
DF
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
is specified from OE or CE whichever occurs first (C
ACC
.
ACC
CE
(1)(2)(3)(4)
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
t
ACC
L
t
= 5 pF).
CE
t
OE
t
OH
CE
Min
ACC
0
0
0
or by t
t
AT28BV256-20
DF
.
ACC
- t
OE
Max
200
200
80
55
after an address change
AT28BV256
Units
ns
ns
ns
ns
ns
7