LRS1338A Просмотр технического описания (PDF) - Sharp Electronics

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LRS1338A

Stacked Chip 8M Flash Memory and 2M SRAM

Sharp Electronics 

LRS1338A

Stacked Chip (8M Flash & 2M SRAM)

F-CE

F-OE

F-WE

F-RP

F-WP

F-A17, F-A18

S-A1 to S-A17,

F-A0 to F-A16

S-A0

S-CE

S-OE

S-WE

F-VCC

F-VPP

524,288 x 16 BIT

FLASH MEMORY

262,144 x 8 BIT

SRAM

I/O8 to

I/O15

I/O0 to

I/O7

GND

S-VCC

LRS1338A-2

Figure 2. LRS1338A Block Diagram

Table 1. Pin Descriptions

PIN

S-A1 to S-A17

F-A0 to F-A16

S-A0

F-A17 to F-A18

F-CE

S-CE

F-WE

S-WE

F-OE

S-OE

I/O0 to I/07

I/O8 to I/O15

F-RP

F-WP

F-VCC

F-VPP

S-VCC

GND

DESCRIPTION

Common Address Input Pins

Address Input Pin for SRAM

Address Input Pin for Flash Memory

Chip Enable Input Pin for Flash Memory

Chip Enable Input Pin for SRAM

Write Enable Input Pin for Flash Memory

Write Enable Input Pin for SRAM

Output Enable Input Pin for Flash Memory

Output Enable Input Pin for SRAM

Common Data Input/Output Pins

Data Input/Output Pins for Flash Memory

Reset/Deep Power Down Input Pin for Flash Memory

Write Protect Pin for Flash Memory’s Boot Block

Power Supply Pin for Flash Memory

Power Supply Pin for Flash Memory Write/Erase

Power Supply Pin for SRAM

Common Ground

2

Data Sheet

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