28F640W30 NUMONYX [Numonyx B.V], 28F640W30 Datasheet - Page 23

• Manufacturer Part Number: 28F640W30
• Description: Numonyx Wireless Flash Memory (W30)
• Manufacturer: NUMONYX [Numonyx B.V]

Numonyx™ Wireless Flash Memory (W30)
Table 6:
November 2007
Order Number: 290702-13
F[2:1]-VCC
Symbol
S-VCC
P-VCC
VCCQ
VSS
RFU
DU
Signal Descriptions - QUAD+ Package (Sheet 3 of 3)
Power
Power
Power
Power
Power
Type
—
—
FLASH LOGIC POWER:
Write operations are inhibited when F-V
F-V
F2-VCC is available on stacked combinations with two or three flash dies, and is an RFU on stacked
combinations with only one flash die.
SRAM POWER SUPPLY: Supplies power for SRAM operations.
S-VCC is available on stacked combinations with SRAM die, and is RFU on stacked combinations
without SRAM die.
PSRAM POWER SUPPLY: Supplies power for PSRAM operations.
P-VCC is available on stacked combinations with PSRAM die, and is RFU on stacked combinations
without PSRAM die.
FLASH DEVICE I/O POWER: Supply power for the flash device input and output buffers.
FLASH DEVICE GROUND: Connect to system ground. Do not float any VSS connection.
RESERVED for FUTURE USE: Reserved for future flash device functionality/ enhancements. Contact
Numonyx regarding the use of balls designated RFU.
DO NOT USE: Do not connect to any other signal, or power supply; must be left floating.
• F1-VCC supplies power to the core logic of flash die #1.
• F2-VCC supplies power to the core logic of flash die #2 and flash die #3.
CC
voltages.
CC
< V
Description
LKO
. Do not attempt flash device operations at invalid
Datasheet
23