lrs1830 Sharp Microelectronics of the Americas, lrs1830 Datasheet - Page 8
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lrs1830
Manufacturer Part Number
lrs1830
Description
Stacked Chip 256m X16 Boot Block Flash And 32m X16 Scram
Manufacturer
Sharp Microelectronics of the Americas
Datasheet
1.LRS1830.pdf
(82 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LRS1830
Manufacturer:
SHARP
Quantity:
6 236
Company:
Part Number:
LRS1830
Manufacturer:
FAIRCHILD
Quantity:
50 000
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