FEATURES ............................................................................................................................................................. 5
BUS OPERATION ................................................................................................................................................. 17
Table 2-1. BUS OPERATION ...................................................................................................................... 17
Table 2-2. BUS OPERATION ...................................................................................................................... 18
Figure 14-1. IN-SYSTEM SECTOR GROUP PROTECT WITH RESET#=Vhv.......................................... 48
Figure 14-2. CHIP UNPROTECT ALGORITHMS WITH RESET#=Vhv ...................................................... 49
Table 5. TEMPORARY SECTOR GROUP UNPROTECT ........................................................................... 50
Figure 15. TEMPORARY SECTOR GROUP UNPROTECT WAVEFORMS ............................................... 50
Figure 16. TEMPORARY SECTOR GROUP UNPROTECT FLOWCHART ............................................... 51
Figure 17. SILICON ID READ TIMING WAVEFORM .................................................................................. 52
WRITE OPERATION STATUS .............................................................................................................................. 53
Figure 21. TOGGLE BIT ALGORITHM........................................................................................................ 56
Figure 22. BYTE# TIMING WAVEFORM FOR READ OPERATIONS (BYTE# switching from byte mode to
word mode) ................................................................................................................................................. 57
ERASE AND PROGRAMMING PERFORMANCE ............................................................................................... 59
DATA RETENTION ............................................................................................................................................... 59
ORDERING INFORMATION ................................................................................................................................. 60
PART NAME DESCRIPTION ................................................................................................................................ 61
PACKAGE INFORMATION ................................................................................................................................... 62
REVISION HISTORY ............................................................................................................................................ 64
P/N:PM1328
REV. 1.7, DEC. 27, 2011
4
MX29LV640E T/B
64M-BIT [8M x 8/4M x 16] SINGLE VOLTAGE 3V
ONLY FLASH MEMORY
FEATURES
GENERAL FEATURES
• 8,388,608 x 8 / 4,194,304 x 16 switchable
• Sector Structure
- 8KB(4KW) x 8 and 64KB(32KW) x 127
• Extra 128-word sector for security
- Features factory locked and identifiable, and customer lockable
• Sector Groups Protection / Chip Unprotect
- Provides sector group protect function to prevent program or erase operation in the protected sector group
- Provides chip unprotect function to allow code changing
- Provides temporary sector group unprotect function for code changing in previously protected sector groups
• Single Power Supply Operation
- 2.7 to 3.6 volt for read, erase, and program operations
• Latch-up protected to 100mA from -1V to 1.5 x Vcc
• Low Vcc write inhibit : Vcc ≤ Vlko
• Compatible with JEDEC standard
- Pinout and software compatible to single power supply Flash
PERFORMANCE
• High Performance
-
Fast access time: 70ns
- Fast program time: 11us/word (typical)
- Fast erase time: 0.5s/sector, 45s/chip (typical)
• Low Power Consumption
- Low active read current: 9mA (typical) at 5MHz
- Low standby current: 5uA (typical)
• 100,000 erase/program cycle (typical)
• 20 years data retention
SOFTWARE FEATURES
• Erase Suspend/ Erase Resume
- Suspends sector erase operation to read data from or program data to another sector which is not being
erased
• Status Reply
- Data# Polling & Toggle bits provide detection of program and erase operation completion
• Support Common Flash Interface (CFI)
HARDWARE FEATURES
• Ready/Busy# (RY/BY#) Output
- Provides a hardware method of detecting program and erase operation completion
• Hardware Reset (RESET#) Input
- Provides a hardware method to reset the internal state machine to read mode