Rainbow-electronics AT29C1024 Uživatelský manuál

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Features
Fast Read Access Time - 70 ns
5-Volt Only Reprogramming
Sector Program Operation
Single Cycle Reprogram (Erase and Program)
512 Sectors (128 words/sector)
Internal Address and Data Latches for 128 Words
Internal Program Control and Timer
Hardware and Software Data Protection
Fast Sector Program Cycle Time - 10 ms
DATA Polling for End of Program Detection
Low Power Dissipation
60 mA Active Current
200 µA CMOS Standby Current
Typical Endurance > 10,000 Cycles
Single 5V
±
10% Supply
CMOS and TTL Compatible Inputs and Outputs
Commercial and Industrial Temperature Ranges
Description
The AT29C1024 is a 5-volt-only in-system Flash programmable and erasable read
only memory (PEROM). Its 1 megabit of memory is organized as 65,536 words by 16
bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device
offers access times to 70 ns with power dissipation of just 330 mW. When the device
is deselected, the CMOS standby current is less than 200
µ
A. The device endurance
is such that any sector can typically be written to in excess of 10,000 times.
1-Megabit
(64K x 16)
5-volt Only
Flash Memory
AT29C1024
Rev. 0571A–10/98
Pin Configurations
Pin Name Function
A0 - A15 Addresses
CE
Chip Enable
OE
Output Enable
WE
Write Enable
I/O0 - I/O15 Data Inputs/Outputs
NC No Connect
DC Don’t Connect
TSOP Top View
Type 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
NC
A0
A1
A2
A3
A4
A5
NC
A6
A7
A8
VSS
A9
A10
A11
NC
A12
A13
A14
A15
NC
WE
VCC
NC
NC
OE
O0
O1
O2
O3
O4
NC
O5
O6
O7
VSS
O8
O9
O10
NC
O11
O12
O13
O14
O15
CE
NC
NC
PLCC Top View
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
I/O12
I/O11
I/O10
I/O9
I/O8
GND
NC
I/O7
I/O6
I/O5
I/O4
A13
A12
A11
A10
A9
GND
NC
A8
A7
A6
A5
6
5
4
3
2
1
44
43
42
41
40
18
19
20
21
22
23
24
25
26
27
28
I/O3
I/O2
I/O1
I/O0
OE
DC
A0
A1
A2
A3
A4
I/O13
I/O14
I/O15
CE
NC
NC
VCC
WE
NC
A15
A14
(continued)
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Shrnutí obsahu

Strany 1 - AT29C1024

1Features•Fast Read Access Time - 70 ns•5-Volt Only Reprogramming•Sector Program Operation– Single Cycle Reprogram (Erase and Program)– 512 Sectors (1

Strany 2

AT29C102410Software Product Identification Entry(1)Notes for software product identification:1. Data Format: I/O15 - I/O0 (Hex);Address Format: A14 -

Strany 3

AT29C102411NORMALIZED SUPPLY CURRENTvs. TEMPERATURETEMPERATURE (C)-551.41.31.21.11.00.80.9-25 5 35 65 95 125NORMALIZEDICCNORMALIZED SUPPLY CURRENTvs.

Strany 4

AT29C102412Ordering InformationtACC(ns)ICC (mA)Ordering Code Package Operation RangeActive Standby70 60 0.1 AT29C1024-70JCAT29C1024-70TC44J48TCommerci

Strany 5

AT29C102413Packaging Information.045(1.14) X 45°PIN NO. 1IDENTIFY.045(1.14) X 30° - 45°.012(.305).008(.203).021(.533).013(.330).630(16.0).590(15.0).04

Strany 6

AT29C102414

Strany 7

AT29C102415

Strany 8

© Atmel Corporation 1998.Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standa

Strany 9

AT29C10242To allow for simple in-system reprogrammability, theAT29C1024 does not require high input voltages for pro-gramming. Five-volt-only commands

Strany 10

AT29C10243After setting SDP, any attempt to write to the device withoutthe 3-word command sequence will start the internal writetimers. No data will b

Strany 11

AT29C10244Notes: 1. X can be VIL or VIH.2. Refer to AC Programming Waveforms.3. VH = 12.0V ± 0.5V.4. Manufacturer Code: 1F, Device Code: 25.5. See det

Strany 12

AT29C10245AC Read Waveforms(1)(2)(3)(4)Notes: 1. CE may be delayed up to tACC - tCE after the address transition without impact on tACC.2. OE may be d

Strany 13

AT29C10246AC Word Load WaveformsWE ControlledCE ControlledAC Word Load CharacteristicsSymbol Parameter Min Max UnitstAS, tOESAddress, OE Set-up Time 0

Strany 14

AT29C10247Program Cycle Waveforms(1)(2)(3)Notes: 1. A7 through A15 must specify the sector address during each high to low transition of WE (or CE).2.

Strany 15

AT29C10248Software Data Protection Enable Algorithm(1)Notes for software program code:1. Data Format: I/O15 - I/O0 (Hex);Address Format: A14 - A0 (Hex

Strany 16 - 0571A–10/98/xM

AT29C10249Notes: 1. These parameters are characterized and not 100% tested.2. See tOE spec in AC Read Characteristics.Data Polling WaveformsNotes: 1.

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