lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 8

• Manufacturer Part Number: lrs1830
• Description: Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
• Manufacturer: Sharp Microelectronics of the Americas

DQ
F
F
A
BS (A
WP/A
sharp
SC-V
SC-CE
SC-CE
1
2
F
F
F
F
F
F
0
0
F-A
-RY/BY
-RY/BY
GND
1
2
1
2
WE
1
2
DU
Pin
OE
LB
UB
-RST
-RST
to DQ
-V
-V
to A
-CE
-CE
21
CC
CC
CC
22
CC
20
1
2
)
15
Address Inputs (Common)
Address Input (Flash)
Bank Select (Flash)
Chip Enable Input (Flash - F
Chip Enable Input (Flash - F
Chip Enable Input (Smartcombo RAM)
Sleep State Input (Smartcombo RAM)
Write Enable Input (Common)
Output Enable Input (Common)
Byte Enable Input : DQ
Byte Enable Input : DQ
Reset Power Down Input (Flash - F
Reset Power Down Input (Flash - F
Write Protect Input (Flash)
Ready/Busy Output (Flash - F
Ready/Busy Output (Flash - F
Data Inputs and Outputs (Common)
Power Supply (Flash - F
Power Supply (Flash - F
Power Supply (Smartcombo RAM)
GND (Common)
Don’t Use
Bank 0 is selected by BS = “0”. Bank 1 is selected by BS = “1”.
This pin can be used for A
Block erase and Write : V
Read : V
Reset Power Down : V
Block erase and Write : V
Read : V
Reset Power Down : V
When WP/A
program operation can be executed to the blocks which are not locked and
locked-down. When WP/A
Moreover, High Speed Erase and High Speed Program can be operated by
applying 12V ±0.3V to WP/A
In this case, WP/A
During an Erase or Write operation : V
Block Erase and Write Suspend : High-Z (High impedance)
During an Erase or Write operation : V
Block Erase and Write Suspend : High-Z (High impedance)
IH
IH
CC
is V
0
8
CC
1
2
IL
to DQ
to DQ
Selected)
Selected)
becomes the power supply pin.
, locked-down blocks cannot be unlocked. Erase or
IL
IL
1
2
1
2
Selected)
Selected)
IH
IH
22
7
15
Selected)
Selected)
CC
(Smartcombo RAM)
pin. Refer to AC Characteristics for timings.
(Smartcombo RAM)
CC
1
2
is V
L R S1 8 3 0
Description
Selected)
Selected)
.
IH
, lock-down is disabled.
OL
OL
* See Chapter B-1
Input / Output
Input / Power
Open Drain
Open Drain
Output
Output
Power
Power
Power
Power
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Type
Input
-
5