1-Gbit P30 Family
Table 4.
QUAD+ SCSP Signal Descriptions (Sheet 2 of 2)
Symbol
Type
Name and Function
WRITE PROTECT: Active low input. WP# low enables the lock-down mechanism. Blocks in lock-
down cannot be unlocked with the Unlock command. WP# high overrides the lock-down function
enabling blocks to be erased or programmed using software commands.
WP#
Input
Erase and Program Power: A valid voltage on this pin allows erasing or programming. Memory
contents cannot be altered when V ≤ V
. Block erase and program at invalid V voltages
PP
PPLK
PP
should not be attempted.
Set V = V for in-system program and erase operations. To accommodate resistor or diode drops
PP
CC
Power/
lnput
VPP
VCC
from the system supply, the V level of V can be as low as V
min. V must remain above V
IH
PP
PPL PP PPL
min to perform in-system flash modification. VPP may be 0 V during read operations.
V
can be applied to main blocks for 1000 cycles maximum and to parameter blocks for 2500
PPH
cycles. VPP can be connected to 9 V for a cumulative total not to exceed 80 hours. Extended use of
this pin at 9 V may reduce block cycling capability.
Device Core Power Supply: Core (logic) source voltage. Writes to the flash array are inhibited when
Power
V
≤ V
. Operations at invalid V voltages should not be attempted.
CC
LKO CC
VCCQ
VSS
Power Output Power Supply: Output-driver source voltage.
Power Ground: Connect to system ground. Do not float any VSS connection.
Reserved for Future Use: Reserved by Intel for future device functionality and enhancement. These
should be treated in the same way as a Do Not Use (DU) signal.
RFU
—
DU
NC
—
—
Do Not Use: Do not connect to any other signal, or power supply; must be left floating.
No Connect: No internal connection; can be driven or floated.
4.3
SCSP Configurations
Table 5.
Stacked Easy BGA Chip Select Logic
Selected Flash
Selected Flash
Die #2
Stack Combination
Die #1
1-die
2-die
F1-CE#
-
F1-CE# + A25 (V )
F1-CE# + A25 (V )
IH
IL
Table 6.
QUAD+ SCSP Chip Select Logic
Stack
Combination
Selected Flash
Die #1
Selected Flash
Die #2
Selected Flash
Die #3
Selected Flash
Die #4
1-die
2-die
4-die
F1-CE#
-
-
-
-
-
F1-CE# + A24 (V ) F1-CE# + A24 (V
)
)
IL
IH
F1-CE# + A24 (V ) F1-CE# + A24 (V
F2-CE# + A24 (V ) F2-CE# + A24 (V )
IL IH
IL
IH
April 2005
22
Intel StrataFlash® Embedded Memory (P30)
Order Number: 306666, Revision: 001
Datasheet
INTEL [ INTEL ]
