U637H256 データシートの表示（PDF） - Unspecified

部品番号

コンポーネント説明

メーカー

U637H256

CapStore 32K x 8 nvSRAM

Unspecified 

U637H256

Test Configuration for Functional Check

5V

A0

VCCx

A1

A2

A3

A4

DQ0

A5

DQ1

480

VIH

A6

A7

DQ2

A8

DQ3

A9

DQ4

A10

DQ5

VIL

A11

A12

DQ6

A13

DQ7

VO

A14

E

W

G

VSS

30 pF w

255

w: In measurement of tdis-times and ten-times the capacitance is 5 pF.

x: Between VCC and VSS must be connected a high frequency bypass capacitor 0.1 μF to avoid disturbances.

Capacitancee

Conditions

Symbol

Min.

Max.

Unit

Input Capacitance

Output Capacitance

VCC = 5.0 V

CI

VI

= VSS

f

= 1 MHz

Ta

= 25 °C

CO

All Pins not under test must be connected with ground by capacitors.

8

pF

7

pF

Ordering Code

Example

Type

Package

D = PDIP28 (600mil)

U637H256 D K 25 G1

Leadfree Option

G1 = Leadfree Green Package

Operating Temperature Range

C = 0 to 70 °C

K = -40 to 85 °C

Access Time

25 = 25 ns

Device Marking (example)

Product specification

Internal Code

ZMD

U637H256DK

25 Z 0425

G1

Date of manufacture

(The first 2 digits indicating

the year, and the last 2

digits the calendar week.)

Leadfree Green Package

STK Control #ML0056 10

Rev 1.0

March 31, 2006

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