lrs1331 Sharp Microelectronics of the Americas, lrs1331 Datasheet - Page 3

• Manufacturer Part Number: lrs1331
• Description: Stacked Chip Flash Memory Sram
• Manufacturer: Sharp Microelectronics of the Americas

Stacked Chip (16M Flash & 4M SRAM)
Data Sheet
F-A
S-CE
DQ
A
F-RY/BY
T
17
F-GND
S-GND
S-V
0
0
F-V
F-V
S-A
F-WE
S-WE
F-WP
S-OE
F-CE
F-OE
S-UB
F-RP
S-LB
1
PIN
1
NC
to A
to DQ
to F-A
to T
, S-CE
CC
CC
PP
17
16
5
15
19
2
Address Inputs (Common)
Address Inputs (Flash)
Address Input (SRAM)
Chip Enable Input (Flash)
Chip Enable Inputs (SRAM)
Write Enable Input (Flash)
Write Enable Input (SRAM)
Output Enable Input (Flash)
Output Enable Input (SRAM)
SRAM Byte Enable Input (DQ
SRAM Byte Enable Input (DQ
Deep Power Down Input (Flash)
Write Protect Input (Flash)
Ready/Busy Output(Flash)
Data Input and Outputs (Common)
Power Supply (Flash)
Power Supply (SRAM)
Write, Erase Power Supply (Flash)
Ground (Flash)
Ground (SRAM)
No Connection
Test Pins (Should be Open)
Block erase and Word Write: V
Read: V
Deep Power Down: V
Two Boot Blocks Locked: V
During an Erase or Write operation: V
Block Erase and Word Write Suspend: HIGH-Z
Deep Power Down: V
Block Erase and Word Write: F-V
All Blocks Locked: F-V
IH
Table 1. Pin Descriptions
DESCRIPTION
IL
OH
PP
< V
0
8
IL
to DQ
to DQ
PPLK
IH
PP
7
15
)
= V
)
OL
PPLK
Input/Output
Output
Power
Power
Power
Power
Power
TYPE
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
—
—
LRS1331
3