as29lv800b-90ti Anadigics, Inc., as29lv800b-90ti Datasheet

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as29lv800b-90ti

Manufacturer Part Number
as29lv800b-90ti
Description
1m 8/512k 16 Cmos Flash Eeprom
Manufacturer
Anadigics, Inc.
Datasheet
Selection guide
Logic block diagram
Features
• Organization: 1M×8/512K×16
• Sector architecture
• Single 2.7-3.6V power supply for read/write operations
• Sector protection
• High speed 70/80/90/120 ns address access time
• Automated on-chip programming algorithm
• Automated on-chip erase algorithm
• Hardware RESET pin
Maximum access time
Maximum chip enable access time
Maximum output enable access time
March 2001
- One 16K; two 8K; one 32K; and fifteen 64K byte sectors
- One 8K; two 4K; one 16K; and fifteen 32K word sectors
- Boot code sector architecture—T (top) or B (bottom)
- Erase any combination of sectors or full chip
- Automatically programs/verifies data at specified address
- Automatically preprograms/erases chip or specified
- Resets internal state machine to read mode
3/22/01; V.1.0
sectors
A0–A18
* Regulated voltage range of 3.0 to 3.6V
RESET
BYTE
V
A-1
WE
V
OE
CE
CC
SS
V
Program/erase
CC
RY/BY
Command
detector
control
register
Timer
Program voltage
generator
STB
Sector protect/
erase voltage
Erase voltage
Output enable
generator
switches
Chip enable
Logic
3V 1M × 8/512K × 16 CMOS Flash EEPROM
Y decoder
X decoder
t
t
t
AA
CE
OE
Alliance Semiconductor
STB
Input/output
Cell matrix
DQ0–DQ15
Data latch
Y gating
buffers
29LV800-70R
70
70
30
Pin arrangement
*
• Low power consumption
• JEDEC standard software, packages and pinouts
• Detection of program/erase cycle completion
• Erase suspend/resume
• Low V
• 10 year data retention at 150C
• 100,000 write/erase cycle endurance
- 200 nA typical automatic sleep mode current
- 200 nA typical standby current
- 10 mA typical read current
- 48-pin TSOP
- 44-pin SO; availability TBD
- DQ7 DATA polling
- DQ6 toggle bit
- DQ2 toggle bit
- RY/BY output
- Supports reading data from or programming data to a
29LV800-80
sector not being erased
®
80
80
30
CC
AS29LV800
48-pin TSOP
write lock-out below 1.5V
29LV800-90
90
90
35
Copyright © Alliance Semiconductor. All rights reserved.
RY/BY
DQ10
DQ11
29LV800-120
DQ0
DQ8
DQ1
DQ9
DQ2
DQ3
A18
A17
V
A7
A6
A5
A4
A3
A2
A1
A0
OE
CE
SS
120
120
50
44-pin SO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
AS29LV800
P. 1 of 25
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
Unit
ns
ns
ns
RESET
WE
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
V
DQ15/A-1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V
SS
CC

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as29lv800b-90ti Summary of contents

Page 1

March 2001 Features • Organization: 1M×8/512K×16 • Sector architecture - One 16K; two 8K; one 32K; and fifteen 64K byte sectors - One 8K; two 4K; one 16K; and fifteen 32K word sectors - Boot code sector architecture—T (top) or ...

Page 2

... Boot sector architecture enables the system to boot from either the top (AS29LV800T) or the bottom (AS29LV800B) sector. Sector erase architecture allows specified sectors of memory to be erased and reprogrammed without altering data in other sectors ...

Page 3

March 2001 Operating modes Mode read MFR code read device code L L Read L L Standby H X Output disable L H Write L H Enable sector protect L V Sector unprotect L ...

Page 4

... Enabled automatically when addresses remain stable for 300ns. Typical current draw is 1 µA. Existing data is Automatic available to the system during this mode address is changed, automatic sleep mode is disabled and new sleep mode data is returned within standard access times. Flexible sector architecture Bottom boot sector architecture (AS29LV800B) Sector ×8 0 00000h–03FFFh 00000h–01FFFh 1 04000h– ...

Page 5

... READ codes Mode MFR code (Alliance Semiconductor) Device code Sector protection Key: L =Low (< High (> =Don’t care IL IH 3/22/01; V.1.0 ® (AS29LV800B) A14 A13 A12 A18 ...

Page 6

March 2001 Command format 1st bus cycle Required bus Command sequence write cycles Address Reset/Read 1 XXXh ×16 555h Reset/Read 3 ×8 AAAh ×16 555h ×8 AAAh ×16 555h Autoselect 3 ID Read ×8 AAAh ×16 555h ×8 AAAh ×16 ...

Page 7

March 2001 Command definitions Item Description Initiate read or reset operations by writing the Read/Reset command sequence into the command register. This allows the microprocessor to retrieve data from the memory. Device remains in read mode until command register contents ...

Page 8

March 2001 Item Description The unlock bypass feature increases the speed at which the system programs bytes or words to the device because it bypasses the first two unlock cycles of the standard program command sequence. To initiate the unlock ...

Page 9

March 2001 Item Description Erase Suspend allows interruption of sector erase operations to read data from or program data to a sector not being erased. Erase suspend applies only during sector erase operations, including the time-out period. Writing an Erase ...

Page 10

March 2001 Status operations Only active during automated on-chip algorithms or sector erase time outs. DQ7 reflects complement of data last written when read during the automated on-chip program algorithm (0 DATA polling (DQ7) during erase algorithm); reflects true data ...

Page 11

March 2001 Automated on-chip programming algorithm START Write program command sequence (see below) DATA polling or toggle bit successfully completed Increment address Last NO address? YES Programming completed Program command sequence ×16 mode (address/data): 555h/AAh 2AAh/55h 555h/A0h Program address/program data ...

Page 12

AS29LV800 Programming using unlock bypass command START Write unlock bypass command (3 cycles) Write unlock bypass program command (2 cycles) DATA polling or toggle bit successfully completed Increment Last NO address? YES Write unlock bypass reset command (2 cycles) Programming ...

Page 13

March 2001 DATA polling algorithm Read byte (DQ0–DQ7) † Address = VA DQ7 = data ? NO DQ5 YES Read byte (DQ0–DQ7) Address = VA DQ7 = ‡ data ? † NO FAIL † ...

Page 14

March 2001 Sector protect algorithm START PLSCNT = 1 RESET Wait 1 µs No First Write Temporary sector unprotect mode Cycle=60h? Yes Set up sector address Sector protect: write 60h to sector address with A6=0, A1=1, A0=0 ...

Page 15

March 2001 DC electrical characteristics Parameter Symbol Test conditions Input load current Input load current I LIT Output leakage current I LO Active current, read @ 5MHz I CC1 Active current, program/erase I CC2 * Automatic sleep ...

Page 16

March 2001 AC parameters — read cycle JEDEC Std Symbol Symbol Parameter t t Read cycle time AVAV Address to output delay AVQV ACC t t Chip enable to output ELQV Output enable to ...

Page 17

March 2001 AC parameters — write cycle JEDEC Std Symbol Symbol Parameter t t Write cycle time AVAV Address setup time AVWL Address hold time WLAX Data setup time DVWH DS ...

Page 18

March 2001 AC parameters — write cycle 2 JEDEC Std Symbol Symbol Parameter t t Write cycle time AVAV Address setup time AVEL Address hold time ELAX Data setup time DVEH ...

Page 19

March 2001 AC parameters — temporary sector unprotect JEDEC Symbol Std Symbol Parameter t V rise and fall time VIDR ID RESET t RSP unprotect Temporary sector unprotect waveform 10V RESET VIDR RSP ...

Page 20

March 2001 AC Parameters — READY/BUSY JEDEC Symbol Std Symbol Parameter - t V setup time VCS CC Recovery time from RY/ Program/erase valid to RY/BY delay - t BUSY RY/BY waveform CE WE RY/ ...

Page 21

March 2001 Word/byte configuration JEDEC Symbol Std Symbol Parameter BYTE switching Low or High ELFL ELFH BYTE - t switching Low to output High-Z FLQZ BYTE - t switching High to output Active FHQZ BYTE ...

Page 22

March 2001 AC test conditions Device under test Test specifications Test Condition Output Load Output Load Capacitance C (including jig capacitance) L Input Rise and Fall Times Input Pulse Levels Input timing measurement reference levels Output timing measurement reference levels ...

Page 23

March 2001 Recommended operating conditions Parameter Comments For full voltage range For regulated voltage range Supply voltage Input voltage Absolute maximum ratings Parameter Input voltage (Input or DQ pin) Input voltage (A9 pin, OE, RESET) Power supply voltage Operating temperature ...

Page 24

March 2001 Thin small outline package (TSOP-I) Package dimensions c L pin 1 pin 24 48-pin Small Outline Plastic (SO) Package dimensions JEDEC MO - 175 AA 44-pin SO Min (mm) Max (mm) A – 3.1 A1 0.05 – A2 ...

Page 25

... Alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use. ® (commercial (commercial/ industrial) industrial) AS29LV800T-80TC AS29LV800T-90TC AS29LV800T-80TI AS29LV800T-90TI AS29LV800B-80TC AS29LV800B-90TC AS29LV800B-80TI AS29LV800B-90TI AS29LV800T-80SC AS29LV800T-90SC AS29LV800T-80SI AS29LV800T-90SI AS29LV800B-80SC AS29LV800B-90SC AS29LV800B-80SI AS29LV800B-90SI –XXX X X Package: Address ...

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