s29cd-j Meet Spansion Inc., s29cd-j Datasheet - Page 35

• Manufacturer Part Number: s29cd-j
• Description: 32/16 Megabit Cmos 2.6 Volt Or 3.3 Volt-only Simultaneous Read/write, Dual Boot, Burst Mode Flash Memory With Versatilei/o?
• Manufacturer: Meet Spansion Inc.

March 7, 2007 S29CD-J_CL-J_00_B2
operation and DQ7 has valid data, the data outputs on DQ6-DQ0 may be still invalid. Valid data on DQ7-D00
appears on successive read cycles.
See the following for more information:
Data# Polling on DQ7.
diagram.
Notes
1. VA = Valid address for programming. During a sector erase operation, a valid address is an address within any sector selected for
2. DQ7 should be rechecked even if DQ5 = 1 because DQ7 may change simultaneously with DQ5
erasure. During chip erase, a valid address is any non-protected sector address.
D a t a
S h e e t
Figure 8.7, Data# Polling Algorithm, on page 35
No
S29CD-J & S29CL-J Flash Family
( P r e l i m i n a r y )
Figure 8.7 Data# Polling Algorithm
Read DQ7–DQ0
Read DQ7–DQ0
DQ7 = Data?
DQ7 = Data?
Table 8.9, Write Operation Status on page 39
Addr = VA
Addr = VA
DQ5 = 1?
START
FAIL
No
Yes
No
Yes
Yes
PASS
shows the Data# Polling timing
shows the outputs for
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