UL631H256 Просмотр технического описания (PDF) - Unspecified

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UL631H256

Low Voltage SoftStore 32K x 8 nvSRAM

Unspecified 

Test Configuration for Functional Check

A0

A1

VCC w

A2

A3

A4

DQ0

A5

DQ1

VIH

A6

A7

DQ2

A8

DQ3

A9

DQ4

A10

DQ5

VIL

A11

A12

DQ6

A13

DQ7

A14

E

W

G

VSS

UL631H256

3V

1.1 k

VO

30 pF v

950

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

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

Capacitancee

Conditions

Symbol

Input Capacitance

Output Capacitance

VCC = 3.0 V

CI

VI

= VSS

f

= 1 MHz

Ta

= 25 °C

CO

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

Min.

Max.

8

7

Unit

pF

pF

Ordering Code

Example

UL631H256 S2 C 45 G1

Type

Package

S = SOP28 (330mil) Type 1

S2 = SOP28 (330mil) Type 2

x: on special request

Leadfree Option

blank = Standard Package

G1 = Leadfree Green Package x

Operating Temperature Range

C = 0 to 70 °C

K = -40 to 85 °C

Access Time

35 = 35 ns (VCC = 3.0 ... 3.6 V)

45 = 45 ns (VCC = 2.7 ... 3.6 V)

Device Marking (example)

Product specification

Internal Code

ZMD

UL631H256S2C

45 Z 0425

G1

Date of manufacture

(The first 2 digits indicating

the year, and the last 2

digits the calendar week.)

Leadfree Green Package

April 7, 2005

9

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