MT28F320A18 Micron Technology, MT28F320A18 Datasheet - Page 6

• Manufacturer Part Number: MT28F320A18
• Description: FLASH MEMORY
• Manufacturer: Micron Technology

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DataSheet
BALL DESCRIPTIONS
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_F.fm – Rev F 08/03 EN
4
48-BALL FBGA
D8, C8, B8, A8,
A2, D1, C1, B1,
C7, B7, A7, C6,
B6, A6, C5, B5,
C3, A3, C2, B2,
D6, E6, F6, D4,
E7, F7, D5, E5,
F4, D3, E3, F2,
E4, F3, D2, E2
U
NUMBERS
.com
E8, F1
A1
D7
A5
A4
F8
B3
B4
F5
E1
C4
DQ0–DQ15
SYMBOL
A0–A20
V
WE#
WP#
OE#
CE#
RP#
V
V
V
NC
CC
CC
PP
SS
Q
Output
Supply
Supply
Supply
Supply
Input/
TYPE
Input
Input
Input
Input
Input
Input
–
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
Address Inputs: Inputs for the address during READ and WRITE operations.
Addresses are internally latched during WRITE and ERASE cycles.
Chip Enable: Activates the device when LOW. When CE# is HIGH, the device is
disabled and goes into standby power mode.
Output Enable: Enables the outputs buffer when LOW. When OE# is HIGH, the
output buffers are disabled.
Write Enable: Determines if a given cycle is a WRITE cycle. If WE# is LOW, the cycle
is either a WRITE to the command state machine (CSM) or to the memory array.
Reset: When RP# is a logic LOW, the device is in reset mode, which drives the
outputs to High-Z and resets the write state machine (WSM). When RP# is at logic
HIGH, the device is in standard operation. When RP# transitions from logic LOW
to logic HIGH, the device resets all blocks to locked and defaults to the read array
mode.
Write Protect: Controls the lock down function of the flexible locking feature.
Data Inputs/Outputs: Inputs array data on the second CE# and WE# cycle during
PROGRAM command. Inputs commands to the command user interface when CE#
and WE# are active.
Block Erase and Program Power Supply: [V
12.6V]. A valid voltage on this contact allows block erase or data programming.
Memory contents cannot be altered when V
at invalid V
compatibility when driven to 11.4V–12.6V
Device Power Supply: [1.65V–1.95V] Supplies power for device operation.
I/O Power Supply: [1.65V–1.95V] Supplies power for input/output buffers. This
input should be tied directly to V
Do not float any ground ball.
Internally not connected.
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PP
voltages should not be attempted. It provides factory programming
6
CC
DESCRIPTION
.
PP 1
PP
= 0.9V–1.95V or V
£ V
PPLK
. Block erase and program
2 MEG x 16
PP 2
©2003 Micron Technology Inc.
= 11.4V–