RC28F256P33TF Numonyx, RC28F256P33TF Datasheet - Page 6

• Manufacturer Part Number: RC28F256P33TF
• Description: 256-mbit, 512-mbit 256m/256m
• Manufacturer: Numonyx

1.3
Table 1:
Datasheet
6
Flash Die Virtual Chip Enable Truth Table for 512 Mbit Easy BGA Package
Virtual Chip Enable Description
The 512 Mbit P33 Family Flash memory employs a Virtual Chip Enable which combines
two 256-Mbit die with a common chip enable, CE# for Easy BGA packages. Address
A25 is then used to select between the die pair with CE# asserted, depending upon the
package option used. When chip enable is asserted and A25 is low (
parameter die is selected; when chip enable is asserted and A25 is high (
upper parameter die is selected.
Lower Param Die
Upper Param Die
Die Selected
CE#
L
L
Order Number: 320003-05
V
IL
), The lower
A25
H
L
V
IH
), the
P33-65nm
Nov 2008