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BS640HD9V Datasheet(PDF) 79 Page - Advanced Micro Devices

Part # BS640HD9V
Description  128 or 64 Megabit (8 M or 4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory
PDF  89 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

BS640HD9V Datasheet(HTML) 79 Page - Advanced Micro Devices

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May 10, 2006 27024B3
Am29BDS128H/Am29BDS640H
77
D A TA
SH EE T
AC CHARACTERISTICS
Notes:
1. The timings are similar to synchronous read timings.
2. VA = Valid Address. Two read cycles are required to determine status. When the Embedded Algorithm operation is complete, the
toggle bits will stop toggling.
3. RDY is active with data (A18 = 0 in the Configuration Register). When A18 = 1 in the Configuration Register, RDY is active one
clock cycle before data.
Figure 42.
Synchronous Data Polling Timings/Toggle Bit Timings
CE#
CLK
AVD#
Addresses
OE#
Data
RDY
Status Data
Status Data
VA
VA
tIACC
tIACC
Note: DQ2 toggles only when read at an address within an erase-suspended sector. The system may use OE# or CE# to toggle
DQ2 and DQ6.
Figure 43.
DQ2 vs. DQ6
Enter
Erase
Erase
Erase
Enter Erase
Suspend Program
Erase Suspend
Read
Erase Suspend
Read
Erase
WE#
DQ6
DQ2
Erase
Complete
Erase
Suspend
Suspend
Program
Resume
Embedded
Erasing



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