AT28C64E-12SU Atmel, AT28C64E-12SU Datasheet

IC EEPROM 64KBIT 120NS 28SOIC

AT28C64E-12SU

Manufacturer Part Number
AT28C64E-12SU
Description
IC EEPROM 64KBIT 120NS 28SOIC
Manufacturer
Atmel
Datasheet

Specifications of AT28C64E-12SU

Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
64K (8K x 8)
Speed
120ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
Description
The AT28C64 is a low-power, high-performance 8,192 words by 8-bit nonvolatile elec-
trically erasable and programmable read only memory with popular, easy-to-use fea-
tures. The device is manufactured with Atmel’s reliable nonvolatile technology.
Pin Configurations
RDY/BUSY (or NC)
Pin Name
A0 - A12
CE
OE
WE
I/O0 - I/O7
RDY/BUSY
NC
DC
Fast Read Access Time – 120 ns
Fast Byte Write – 200 µs or 1 ms
Self-timed Byte Write Cycle
Direct Microprocessor Control
Low Power
High Reliability
5V ± 10% Supply
CMOS and TTL Compatible Inputs and Outputs
JEDEC Approved Byte-wide Pinout
Commercial and Industrial Temperature Ranges
– Internal Address and Data Latches
– Internal Control Timer
– Automatic Clear Before Write
– READY/BUSY Open Drain Output
– DATA Polling
– 30 mA Active Current
– 100 µA CMOS Standby Current
– Endurance: 10
– Data Retention: 10 Years
VCC
A11
A12
WE
OE
NC
A9
A8
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
Ready/Busy Output
No Connect
Don’t Connect
4
Top View
or 10
TSOP
5
Cycles
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
Note: PLCC package pins 1 and 17 are
DON’T CONNECT.
RDY/BUSY (or NC)
I/O0
NC
A6
A5
A4
A3
A2
A1
A0
GND
I/O0
I/O1
I/O2
A12
A7
A6
A5
A4
A3
A2
A1
A0
5
6
7
8
9
10
11
12
13
LCC, PLCC
PDIP, SOIC
Top View
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
(continued)
29
28
27
26
25
24
23
22
21
VCC
WE
NC
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
64K (8K x 8)
Parallel
EEPROMs
AT28C64
AT28C64X
Rev. 0001H–12/99
1

Related parts for AT28C64E-12SU

AT28C64E-12SU Summary of contents

Page 1

... Commercial and Industrial Temperature Ranges Description The AT28C64 is a low-power, high-performance 8,192 words by 8-bit nonvolatile elec- trically erasable and programmable read only memory with popular, easy-to-use fea- tures. The device is manufactured with Atmel’s reliable nonvolatile technology. Pin Configurations Pin Name Function ...

Page 2

... The CMOS technology offers fast access times of 120 ns at low power dissipation. When the chip is deselected the standby current is less than 100 µA. Atmel’s AT28C64 has additional features to ensure high quality and manufacturability. The device utilizes error cor- rection internally for extended endurance and for improved data retention characteristics ...

Page 3

... WC FAST BYTE WRITE: The AT28C64E offers a byte write time of 200 µs maximum. This feature allows the entire device to be rewritten in 1.6 seconds. READY/BUSY: Pin open drain RDY/BUSY output that can be used to detect the end of a write cycle ...

Page 4

DC and AC Operating Range Com. Operating Temperature (Case) Ind. V Power Supply CC Operating Modes Mode Read (2) Write Standby/Write Inhibit Write Inhibit Write Inhibit Output Disable Chip Erase Notes can ...

Page 5

AC Read Characteristics Symbol Parameter t Address to Output Delay ACC ( Output Delay CE ( Output Delay OE (3)( High to Output Float DF Output Hold from OE, CE ...

Page 6

... Write Pulse Width ( Data Setup Time Data, OE Hold Time DH OEH and Setup and Hold Time Time to Device Busy DB t Write Cycle Time (option available Write Waveforms WE Controlled CE Controlled AT28C64(X) 6 Min 10 50 100 AT28C64 AT28C64E Max Units ns ns 1000 200 µs ...

Page 7

Data Polling Characteristics Symbol Parameter t Data Hold Time Hold Time OEH ( Output Delay OE t Write Recovery Time WR Notes: 1. These parameters are characterized and not 100% tested. 2. See “AC ...

Page 8

AT28C64(X) 8 ...

Page 9

AT28C64 Ordering Information I (mA ACC (ns) Active Standby 120 30 0.1 45 0.1 150 30 0.1 45 0.1 200 30 0.1 45 0.1 250 30 0.1 45 0.1 32J 32-lead, Plastic J-leaded Chip Carrier (PLCC) 28P6 28-lead, ...

Page 10

... Valid Part Numbers The following table lists standard Atmel products that can be ordered. Device Numbers Speed AT28C64 X 12 AT28C64 X 15 AT28C64 X 20 AT28C64 X 25 Die Products Reference Section: Parallel EEPROM Die Products 32J ...

Page 11

Packaging Information 32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-016 AE .045(1.14) X 45˚ PIN NO. 1 IDENTIFY .553(14.0) .547(13.9) .032(.813) .595(15.1) .026(.660) .585(14.9) .050(1.27) TYP .300(7.62) REF .430(10.9) .390(9.90) AT CONTACT POINTS ...

Page 12

... No licenses to patents or other intellectual prop- erty of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life suppor t devices or systems. ...

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