AT28C64-12TI ATMEL [ATMEL Corporation], AT28C64-12TI Datasheet

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AT28C64-12TI

Manufacturer Part Number
AT28C64-12TI
Description
64K (8K x 8) CMOS E2PROM
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet

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Part Number:
AT28C64-12TI
Manufacturer:
ATMEL
Quantity:
200
Features
Description
The AT28C64 is a low-power, high-performance 8,192 words by 8 bit nonvolatile
Electrically Erasable and Programmable Read Only Memory with popular, easy to
use features. The device is manufactured with Atmel’s reliable nonvolatile technol-
ogy.
Pin Configurations
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 s or 1 ms
Self-Timed Byte Write Cycle
Direct Microprocessor Control
Low Power
High Reliability
5V
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 A CMOS Standby Current
Endurance: 10
Data Retention: 10 Years
10% Supply
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
PDIP, SOIC
Top View
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
LCC, PLCC
Top View
(continued)
AT28C64/X
AT28C64/X
64K (8K x 8)
CMOS
E
2
PROM
2-193
0001G

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AT28C64-12TI Summary of contents

Page 1

... JEDEC Approved Byte-Wide Pinout Commercial and Industrial Temperature Ranges Description The AT28C64 is a low-power, high-performance 8,192 words by 8 bit nonvolatile Electrically Erasable and Programmable Read Only Memory with popular, easy to use features. The device is manufactured with Atmel’s reliable nonvolatile technol- ogy ...

Page 2

... Description (Continued) The AT28C64 is accessed like a Static RAM for the read or write cycles without the need for external components. During a byte write, the address and data are latched in- ternally, freeing the microprocessor address and data bus for other operations. Following the initiation of a write cy- ...

Page 3

... CHIP CLEAR: The contents of the entire memory of the , a WC AT28C64 may be set to the high state by the CHIP CLEAR operation. By setting CE low and volts, the chip is cleared when a 10 msec low pulse is applied to WE. DEVICE IDENTIFICATION ...

Page 4

... MHz OUT 2 4.0 mA for RDY/BUSY I = -400 A OH AT28C64-20 AT28C64-25 0°C - 70°C 0°C - 70°C -40°C - 85°C -40°C - 85°C 5V 10% 5V 10 OUT High High Z V High ...

Page 5

... This parameter is characterized and is not 100% tested ACC OE . ACC Output Test Load (1) Typ Max AT28C64/X AT28C64-20 AT28C64-25 Max Min Max Min Max 150 200 250 150 200 250 100 ...

Page 6

... Data, OE Hold Time DH OEH and Set-up and Hold Time Time to Device Busy DB t Write Cycle Time WC AC Write Waveforms WE Controlled CE Controlled AT28C64/X 2-198 Min 10 50 100 AT28C64 AT28C64E Max Units ns ns 1000 1.0 ms 200 s ...

Page 7

... OE t Write Recovery Time WR Notes: 1. These parameters are characterized and not 100% tested. 2. See AC Read Characteristics. Data Polling Waveforms Chip Erase Waveforms sec (min msec (min 12.0V 0.5V H (1) Min 10 10 (2) 0 AT28C64/X Typ Max Units 2-199 ...

Page 8

... AT28C64/X 2-200 ...

Page 9

... AT28C64(E)-15JI AT28C64(E)-15PI AT28C64(E)-15SI AT28C64(E)-15TI AT28C64(E)-20JC AT28C64(E)-20PC AT28C64(E)-20SC AT28C64(E)-20TC AT28C64(E)-20JI AT28C64(E)-20PI AT28C64(E)-20SI AT28C64(E)-20TI AT28C64(E)-25JC AT28C64(E)-25PC AT28C64(E)-25SC AT28C64(E)-25TC AT28C64-W AT28C64(E)-25JI AT28C64(E)-25PI AT28C64(E)-25SI AT28C64(E)-25TI ...

Page 10

... Lead, 0.300" Wide, Plastic Gull Wing, Small Outline (SOIC) 28T 28 Lead, Plastic Thin Small Outline Package (TSOP) W Die Blank Standard Device: Endurance = 10K Write Cycles; Write Time = High Endurance Option: Endurance = 100K Write Cycles; Write Time = 200 s AT28C64/X 2-202 Package Type Options ...

Page 11

... 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 32J 32 Lead, Plastic J-Leaded Chip Carrier (PLCC) 28P6 28 Lead, 0.600" Wide Plastic Dual Inline Package (PDIP) 28S 28 Lead, 0.300" ...

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