參數(shù)資料
型號(hào)： 28C64AFT-25P
廠商： Microchip Technology Inc.
元件分類(lèi)： EEPROM
英文描述： The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
中文描述： 該CAT24FC02是一個(gè)2 KB的EEPROM的國(guó)內(nèi)256個(gè)8位每字舉辦的串行CMOS
文件頁(yè)數(shù)： 1/8頁(yè)
文件大?。?/td> 67K
代理商： 28C64AFT-25P
1996 Microchip Technology Inc.
DS11109H-page 1
FEATURES
Fast Read Access Time—150 ns
CMOS Technology for Low Power Dissipation
- 30 mA Active
- 100
μ
A Standby
Fast Byte Write Time—200
Data Retention >200 years
High Endurance - Minimum 100,000
Cycles
Automatic Write Operation
- Internal Control Timer
- Auto-Clear Before Write Operation
- On-Chip Address and Data Latches
Data Polling
Ready/Busy
Chip Clear Operation
Enhanced Data Protection
- V
CC
Detector
- Pulse Filter
- Write Inhibit
Electronic Signature for Device Identification
5-Volt-Only Operation
Organized 8Kx8 JEDEC Standard Pinout
- 28-pin Dual-In-Line Package
- 32-pin PLCC Package
- 28-pin Thin Small Outline Package (TSOP)
8x20mm
- 28-pin Very Small Outline Package (VSOP)
8x13.4mm
Available for Extended Temperature Ranges:
- Commercial: 0C to +70C
μ
s or 1 ms
Erase/Write
DESCRIPTION
The Microchip Technology Inc. 28C64A is a CMOS 64K non-
volatile electrically Erasable PROM. The 28C64A is
accessed like a static RAM for the read or write cycles without
the need of external components. During a “byte write”, the
address and data are latched internally, freeing the micropro-
cessor address and data bus for other operations. Following
the initiation of write cycle, the device will go to a busy state
and automatically clear and write the latched data using an
internal control timer. To determine when the write cycle is
complete, the user has a choice of monitoring the Ready/
Busy output or using Data polling. The Ready/Busy pin is an
open drain output, which allows easy configuration in wired-
or systems. Alternatively, Data polling allows the user to read
the location last written to when the write operation is com-
plete. CMOS design and processing enables this part to be
used in systems where reduced power consumption and reli-
ability are required. A complete family of packages is offered
to provide the utmost flexibility in applications
PACKAGE TYPES
BLOCK DIAGRAM
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
21
20
19
18
17
16
15
V
SS
I/O2
I/O1
I/O0
A0
A1
A2
14
13
12
11
10
9
8
OE
A11
A9
A8
NC
WE
V
CC
22
23
24
25
26
27
28
RDY/BSY
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
OE
A11
A9
A8
NC
WE
Vcc
RDY/BSY
A12
A7
A6
A5
A4
A3
A10
CE
I/07
I/06
I/05
I/04
I/03
Vss
I/02
I/01
I/00
A0
A1
A2
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
Pin 1 indicator on PLCC on top of package
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
RDY/BSY
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
V
SS
Vcc
WE
NC
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
A6
A5
A4
A3
A2
A1
A0
NC
I/O0
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
A
4
A
3
R
2
N
1
V
3
W
3
N
3
I
I
V
N
I
I
I
1
1
1
1
1
1
2
29
28
27
26
25
24
23
22
21
5
6
7
8
9
10
11
12
13
D
P
T
V
I/O0
I/O7
Input/Output
Buffers
Chip Enable/
Output Enable
Control Logic
Auto Erase/Write
Timing
CE
OE
WE
Data Protection
Circuitry
A12
Y Gating
16K bit
Cell Matrix
DeX
Y
Decoder
A0
Data
Poll
V
CC
V
SS
L
a
t
c
h
e
s
Program Voltage
Generation
Rdy/
Busy
28C64A
64K (8K x 8) CMOS EEPROM
This document was created with FrameMaker 4 0 4
相關(guān)PDF資料
PDF描述
28C64AT-25TS The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
28C64AT-25VS The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
28C64AFT-15IL The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
28C64AFT-15IP Circular Connector; No. of Contacts:16; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:21-16 RoHS Compliant: No
28C64AFT-15ISO Circular Connector; No. of Contacts:79; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:21; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:21-35 RoHS Compliant: No
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
28C64AFT-25SO 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:64K (8K x 8) CMOS EEPROM
28C64AFT-25TS 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:64K (8K x 8) CMOS EEPROM
28C64AFT-25VS 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:64K (8K x 8) CMOS EEPROM
28C64AFTI/L 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:64K (8K x 8) CMOS EEPROM
28C64AFTI/P 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:64K (8K x 8) CMOS EEPROM
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