lrs1805a Sharp Microelectronics of the Americas, lrs1805a Datasheet - Page 6

• Manufacturer Part Number: lrs1805a
• Description: Stacked Chip Flash Memory Smartcombo
• Manufacturer: Sharp Microelectronics of the Americas

sharp
A
0
F-A
DQ
to A
F-RY/BY
T
F-RST
S-CE
S-CE
F-V
S-V
F-WE
S-WE
0
F-V
17
S-A
F-WP
F-CE
F-OE
S-OE
S-LB
S-UB
GND
1
F-A
16
Pin
NC
to DQ
, F-A
to T
, A
CC
CC
PP
17
21
1
2
18
4
20
15
, A
,
19
Address Inputs (Common)
Address Inputs (Flash)
Address Input (Smartcombo RAM)
Chip Enable Input (Flash)
Chip Enable Input (Smartcombo RAM)
Sleep State Input (Smartcombo RAM)
Write Enable Input (Flash)
Write Enable Input (Smartcombo RAM)
Output Enable Input (Flash)
Output Enable Input (Smartcombo RAM)
Smartcombo RAM Byte Enable Input (DQ
Smartcombo RAM Byte Enable Input (DQ
Reset Power Down Input (Flash)
Write Protect Input (Flash)
Ready/Busy Output (Flash)
Data Inputs and Outputs (Common)
Power Supply (Flash)
Power Supply (Smartcombo RAM)
Monitoring Power Supply Voltage (Flash)
GND (Common)
Non Connection
Test pins (Should be all open)
Block erase and Write : V
Read : V
Reset Power Down : V
When F-WP is V
program operation can be executed to the blocks which are not locked and
locked-down. When F-WP is V
During an Erase or Write operation : V
Block Erase and Write Suspend : High-Z (High impedance)
Block Erase and Write : F-V
All Blocks Locked : F-V
IH
IL
, locked-down blocks cannot be unlocked. Erase or
IL
PP
IH
< V
PP
L R S 1 8 0 5 A
Description
PPLK
IH
= V
, lock-down is disabled.
PPH1/2
0
8
OL
to DQ
to DQ
7
15
)
)
Input / Output
Open Drain
Output
Power
Power
Power
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Type
-
-
4