N25S818HA datasheet(2/12 Pages) ONSEMI

Part #	N25S818HA

Description	256 kb Low Power Serial SRAMs

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Manufacturer	ONSEMI [ON Semiconductor]

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N25S818HA

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2

SO

NC

VSS

VCC

SCK

SI

CS

HOLD

VCC

SCK

SI

HOLD

SO

NC

VSS

CS

1

SOIC−8

TSSOP−8

Figure 1. Pin Connections

(Top View)

Table 1. DEVICE OPTIONS

Part Number

Density

Power

Supply (V)

Speed

(MHz)

Package

Typical Standby

Current

Read/Write

Operating Current

N25S818HAS2

256 Kb

1.8

16

SOIC

200 nA

3 mA @ 1 Mhz

N25S818HAT2

TSSOP

Table 2. PIN NAMES

Pin Name

Pin Function

CS

Chip Select Input

SCK

Serial Clock Input

SI

Serial Data Input

SO

Serial Data Output

HOLD

Hold Input

NC

No Connect

VCC

Power

VSS

Ground

SRAM

Array

Decode

Logic

Clock

Circuitry

SCK

Data In

Receiver

Data Out

Buffer

Figure 2. Functional Block Diagram

HOLD

CS

SI

SO

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