s71ws256nc0bawa30 Meet Spansion Inc., s71ws256nc0bawa30 Datasheet - Page 105

• Manufacturer Part Number: s71ws256nc0bawa30
• Description: Stacked Multi-chip Product Mcp 256/512/128 Megabit 32m/16m/8m X 16 Bit Cmos 1.8 Volt-only Simultaneous Read/write, Burst-mode Flash Memory With 128/64megabit 8m/4m X 16-bit Psram.
• Manufacturer: Meet Spansion Inc.

18 Functional Block Diagram
19 Power Up Sequence
September 15, 2005 S71WS-N_01_A4
After applying V
MRS# high. This gets the device into power up mode. Wait for a minimum of 200 µs to get into
the normal operation mode. During power up mode, the standby current cannot be guaranteed.
To obtain stable standby current levels, at least one cycle of active operation should be imple-
mented regardless of wait time duration. To obtain appropriate device operation, be sure to follow
the power up sequence.
1.
2.
Apply power.
Maintain stable power (V
WAIT#
I/O8~I/O15
MRS#
ADV#
A d v a n c e
WE#
CLK
OE#
UB#
CS#
LB#
I/O0~I/O7
CC
up to minimum operating voltage (1.7 V), drive CS# high first and then drive
Control Logic
Addresses
Row
I n f o r m a t i o n
S71WS-Nx0 Based MCPs
CC
min.=1.7 V) for a minimum 200 µs with CS# and MRS# high.
CLK generator
controller
controller
controller
Data
Data
Data
select
Row
Column Addresses
Precharge circuit.
Memory array
Column select
I/O Circuit
Vcc
Vss
103