參數(shù)資料
型號(hào): LRS1805A
廠商: Sharp Corporation
英文描述: Stacked Chip 64M (x16) Flash Memory + 16M (x16) Smartcombo RAM
中文描述: 堆疊芯片64M號(hào)(x16)的閃存16M內(nèi)存(× 16)Smartcombo內(nèi)存
文件頁數(shù): 6/57頁
文件大小: 1373K
代理商: LRS1805A
LRS1805A
4
Pin
Description
Type
A
0
to A
16
, A
18
, A
19
Address Inputs (Common)
F-A
17
, F-A
20
,
F-A
21
S-A
17
Address Input (Smartcombo RAM)
F-CE
Chip Enable Input (Flash)
Input
Address Inputs (Flash)
Input
Input
Input
S-CE
1
S-CE
2
F-WE
S-WE
Chip Enable Input (Smartcombo RAM)
Input
Sleep State Input (Smartcombo RAM)
Input
Write Enable Input (Flash)
Write Enable Input (Smartcombo RAM)
Input
Input
F-OE
S-OE
Output Enable Input (Flash)
Output Enable Input (Smartcombo RAM)
Smartcombo RAM Byte Enable Input (DQ
0
to DQ
7
)
Smartcombo RAM Byte Enable Input (DQ
8
to DQ
15
)
Reset Power Down Input (Flash)
Block erase and Write : V
IH
Read : V
IH
Reset Power Down : V
IL
Write Protect Input (Flash)
When F-WP is V
IL
, locked-down blocks cannot be unlocked. Erase or
program operation can be executed to the blocks which are not locked and
locked-down. When F-WP is V
IH
, lock-down is disabled.
Ready/Busy Output (Flash)
During an Erase or Write operation : V
OL
Block Erase and Write Suspend : High-Z (High impedance)
Input
Input
S-LB
Input
S-UB
Input
F-RST
Input
F-WP
Input
F-RY/BY
Open Drain
Output
DQ
0
to DQ
15
F-V
CC
S-V
CC
Data Inputs and Outputs (Common)
Input / Output
Power Supply (Flash)
Power
Power Supply (Smartcombo RAM)
Power
F-V
PP
Monitoring Power Supply Voltage (Flash)
Block Erase and Write : F-V
PP
= V
PPH1/2
All Blocks Locked : F-V
PP
< V
PPLK
GND (Common)
Non Connection
Input
GND
NC
T
1
to T
4
Power
-
Test pins (Should be all open)
-
sharp
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