am42bds640ag Meet Spansion Inc., am42bds640ag Datasheet - Page 61

• Manufacturer Part Number: am42bds640ag
• Description: 64 Megabit 4 M ? 16-bit Cmos 1.8 Volt-only, Simultaneous Operation, Burst Mode Flash Memory And 16 Mbit 1 M ? 16-bit Static Ram Preliminary
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. RDY active with data (A18 = 0 in the Burst Mode Configuration Register).
2. RDY active one clock cycle before data (A18 = 1 in the Burst Mode Configuration Register).
3. Cxx indicates the clock that triggers Dxx on the outputs; for example, C60 triggers D60. Figure shows the device crossing a
60
Address (hex)
bank in the process of performing an erase or program.
AVD#
OE#,
CE#f
Data
RDY
RDY
CLK
(Note 1)
(Note 2)
(stays high)
(stays low)
3C
C60
D60
00003Fh (00007Fh, 0000BFh, etc.). Address 000000h is also a boundary crossing
3D
C61
Figure 31. Latency with Boundary Crossing
Address boundary occurs every 64 words, beginning at address
D61
3E
C62
t
P R E L I M I N A R Y
RACC
into Program/Erase Bank
D62
Am42BDS640AG
C63
latency
3F
t
RACC
latency
C63
3F
t
RACC
D63
C63
3F
t
RACC
C64
40
Invalid
Read Status
November 1, 2002