UL631H256 Просмотр технического описания (PDF) - Simtek Corporation

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UL631H256

SimtekLow Voltage SoftStore 32K x 8 nvSRAM

Simtek Corporation 

Test Configuration for Functional Check

A0

A1

VCCw

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

March 31, 2006

STK Control #ML0057

9

Rev 1.0

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