am49bds640ah Meet Spansion Inc., am49bds640ah Datasheet - Page 74

• Manufacturer Part Number: am49bds640ah
• Description: Stacked Multichip Package Mcp , Flash Memory And Psram Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode 64 Megabit 4m ? 16-bit Flash Memory, And 16 Mbit 1m ? 16-bit Psram
• Manufacturer: Meet Spansion Inc.

AC CHARACTERISTICS
Notes:
1. RDY active with data (A18 = 0 in the Configuration Register).
2. RDY active one clock cycle before data (A18 = 1 in the Configuration Register).
3. Cxx indicates the clock that triggers Dxx on the outputs; for example, C60 triggers D60. Figure shows the device crossing a
72
Address (hex)
bank in the process of performing an erase or program.
RDY(1)
RDY(2)
AVD#
OE#,
Data
CLK
CE#
(stays high)
(stays low)
3C
C60
D60
00003Fh: (00007Fh, 0000BFh, etc.) Address 000000h is also a boundary crossing.
3D
C61
A D V A N C E
Figure 44. Latency with Boundary Crossing
Address boundary occurs every 64 words, beginning at address
D61
3E
C62
t
RACC
into Program/Erase Bank
D62
Am49BDS640AH
C63
latency
3F
t
I N F O R M A T I O N
RACC
latency
C63
3F
t
RACC
D63
C63
3F
t
RACC
C64
40
Invalid
Read Status
December 5, 2003