N01L63W2AB25IT datasheet(2/10 Pages) ONSEMI

2 / 10 page

Rev.

9 | Page 2 of 10 | www.onsemi.com

N01L63W2A

Functional Block Diagram

Functional Description

CE1

CE2

I/O0 - I/O151

1. When UB and LB are in select mode (low), I/O0 - I/O15 are affected as shown. When LB only is in the select mode only I/O0 - I/O7

are affected as shown. When UB is in the select mode only I/O8 - I/O15 are affected as shown.

MODE

POWER

High Z

Standby2

2. When the device is in standby mode, control inputs (WE, OE, UB, and LB), address inputs and data input/outputs are internally

isolated from any external influence and disabled from exerting any influence externally.

Standby

High Z

Standby2

Standby

High Z

Standby

LHL

3. When WE is invoked, the OE input is internally disabled and has no effect on the circuit.

Data In

Write3

Active

Data Out

Read

Active

High Z

Active

Capacitance1

1. These parameters are verified in device characterization and are not 100% tested

Item

Symbol

Test Condition

Min

Max

Unit

Input Capacitance

CIN

VIN = 0V, f = 1 MHz, TA = 25oC

8pF

I/O Capacitance

CI/O

VIN = 0V, f = 1 MHz, TA = 25oC

8pF

Address

Inputs

A0 - A3

Address

Inputs

A4 - A15

Word

Address

Decode

Logic

4K Page

x 16 word

x 16 bit

RAM Array

Input/

Output

Mux

and

Buffers

Page

Address

Decode

Logic

Control

Logic

CE1

CE2

I/O0 - I/O7

I/O8 - I/O15

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