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KH29LV400CB 데이터시트 PDF




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부품번호 KH29LV400CB 기능
기능 4M-BIT [512K x 8 / 256K x 16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
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KH29LV400CB 데이터시트, 핀배열, 회로
KH29LV400C T/B
FEATURES
4M-BIT [512K x 8 / 256K x 16] CMOS SINGLE VOLTAGE
3V ONLY FLASH MEMORY
• Extended single - supply voltage range 2.7V to 3.6V
• 524,288 x 8/262,144 x 16 switchable
• Single power supply operation
- 3.0V only operation for read, erase and program
operation
• Fast access time: 70/90ns
• Low power consumption
- 30mA maximum active current
www.Data-S0he.2eut4AU.tcyopmical standby current
• Command register architecture
- Byte/word Programming (9us/11us typical)
- Sector Erase (Sector structure 16K-Byte x 1,
8K-Byte x 2, 32K-Byte x1, and 64K-Byte x7)
• Auto Erase (chip & sector) and Auto Program
- Automatically erase any combination of sectors with
Erase Suspend capability.
- Automatically program and verify data at specified
address
• Erase suspend/Erase Resume
- Suspends sector erase operation to read data from,
or program data to, any sector that is not being erased,
then resumes the erase.
• Status Reply
- Data# Polling & Toggle bit for detection of program
and erase operation completion
• Ready/Busy# pin (RY/BY#)
- Provides a hardware method of detecting program or
erase operation completion
• Sector protection
- Hardware method to disable any combination of
sectors from program or erase operations
- Temporary sector unprotect allows code changes in
previously locked sectors
• CFI (Common Flash Interface) compliant
- Flash device parameters stored on the device and
provide the host system to access
• 100,000 minimum erase/program cycles
• Latch-up protected to 100mA from -1V to VCC+1V
• Boot Sector Architecture
- T = Top Boot Sector
- B = Bottom Boot Sector
• Package type:
- 48-pin TSOP
- All Pb-free devices are RoHS Compliant
• Compatibility with JEDEC standard
- Pinout and software compatible with single-power
supply Flash
• 20 years data retention
GENERAL DESCRIPTION
The KH29LV400C T/B is a 4-mega bit Flash memory
organized as 512K bytes of 8 bits or 256K words of 16
bits. MXIC's Flash memories offer the most cost-effec-
tive and reliable read/write non-volatile random access
memory. The KH29LV400C T/B is packaged in 44-pin
SOP, 48-pin TSOP and 48-ball CSP. It is designed to be
reprogrammed and erased in system or in standard
EPROM programmers.
The standard KH29LV400C T/B offers access time as
fast as 55ns, allowing operation of high-speed micropro-
cessors without wait states. To eliminate bus conten-
tion, the KH29LV400C T/B has separate chip enable
(CE#) and output enable (OE#) controls.
MXIC's Flash memories augment EPROM functionality
with in-circuit electrical erasure and programming. The
KH29LV400C T/B uses a command register to manage
this functionality. The command register allows for 100%
TTL level control inputs and fixed power supply levels
during erase and programming, while maintaining maxi-
mum EPROM compatibility.
MXIC Flash technology reliably stores memory contents
even after 100,000 erase and program cycles. The MXIC
cell is designed to optimize the erase and programming
mechanisms. In addition, the combination of advanced
tunnel oxide processing and low internal electric fields
for erase and program operations produces reliable cy-
cling. The KH29LV400C T/B uses a 2.7V~3.6V VCC
supply to perform the High Reliability Erase and auto
Program/Erase algorithms.
The highest degree of latch-up protection is achieved
with MXIC's proprietary non-epi process. Latch-up pro-
tection is proved for stresses up to 100 milliamps on
address and data pin from -1V to VCC + 1V.
P/N:PM1219
REV. 1.3, DEC. 09, 2005
1




KH29LV400CB pdf, 반도체, 판매, 대치품
BLOCK DIAGRAM
KH29LV400C T/B
CE#
OE#
WE#
RESET#
www.DataSheet4U.com
CONTROL
INPUT
LOGIC
PROGRAM/ERASE
HIGH VOLTAGE
WRITE
STATE
MACHINE
(WSM)
A0-A17
ADDRESS
LATCH
AND
BUFFER
FLASH
ARRAY
ARRAY
SOURCE
HV
Y-PASS GATE
STATE
REGISTER
COMMAND
DATA
DECODER
SENSE
AMPLIFIER
PGM
DATA
HV
PROGRAM
DATA LATCH
COMMAND
DATA LATCH
Q0-Q15/A-1
I/O BUFFER
P/N:PM1219
REV. 1.3, DEC. 09, 2005
4

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KH29LV400CB 전자부품, 판매, 대치품
KH29LV400C T/B
TABLE 4. KH29LV400C T/B COMMAND DEFINITIONS
Command
First Bus
Bus Cycle
Second Bus Third Bus
Cycle
Cycle
Fourth Bus
Cycle
Cycle Addr Data Addr Data Addr Data Addr Data
Fifth Bus
Cycle
Sixth Bus
Cycle
Addr Data Addr Data
Reset
1 XXXH F0H
Read
1 RA RD
Read Silicon ID Word 4 555H AAH 2AAH 55H 555H 90H ADI DDI
Byte 4 AAAH AAH 555H 55H AAAH 90H ADI DDI
www.DaStaeSchtoerePt4rUo.tceocmt Word 4 555H AAH 2AAH 55H 555H 90H (SA) XX00H
Verify
x02H XX01H
Byte 4 AAAH AAH 555H 55H AAAH 90H (SA) 00H
x04H 01H
Program
Word 4 555H AAH 2AAH 55H 555H A0H PA PD
Byte 4 AAAH AAH 555H 55H AAAH A0H PA PD
Chip Erase
Word 6 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H 555H 10H
Byte 6 AAAH AAH 555H 55H AAAH 80H AAAH AAH 555H 55H AAAH 10H
Sector Erase Word 6 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H SA 30H
Byte 6 AAAH AAH 555H 55H AAAH 80H AAAH AAH 555H 55H SA 30H
Sector Erase Suspend 1 XXXH B0H
Sector Erase Resume 1 XXXH 30H
Note:
1. ADI = Address of Device identifier; A1=0, A0 = 0 for manufacturer code,A1=0, A0 = 1 for device code. A2-A17=do not care.
(Refer to table 3)
DDI = Data of Device identifier : C2H for manufacture code, B9H/BAH (x8) and 22B9H/22BAH (x16) for device code.
X = X can be VIL or VIH
RA=Address of memory location to be read.
RD=Data to be read at location RA.
2. PA = Address of memory location to be programmed.
PD = Data to be programmed at location PA.
SA = Address of the sector to be erased.
3. The system should generate the following address patterns: 555H or 2AAH to Address A10~A0 in word mode/AAAH or
555H to Address A10~A-1 in byte mode.
Address bit A11~A17=X=Don't care for all address commands except for Program Address (PA) and Sector
Address (SA). Write Sequence may be initiated with A11~A17 in either state.
4. For Sector Protect Verify operation: If read out data is 01H, it means the sector has been protected. If read out data is 00H, it
means the sector is still not being protected.
P/N:PM1219
REV. 1.3, DEC. 09, 2005
7

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