Datasheet > CDP1854AC3

CDP1854AC3

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
12页	126K
描述
High Reliability CMOS Programmable Universal Asynchronous Receiver/Transmitter (UART)

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数据手册

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CDP1854AC3 数据手册

CDP1854A/3, CDP1854AC/3

Dynamic Electrical Specifications t , t = 15ns, V = V , V = V , C = 100pF, (See Figure 4)

DD IL

LIMITS

-55 C, +25 C

+125 C

PARAMETER

(V)

MIN

MAX

MIN

MAX

UNITS

CPU INTERFACE - READ TIMING - MODE 1

Pulse Width

TPB

125

165

Setup Time

RSEL to TPB

RST

TRS

RDV

Hold Time

RSEL after TPB

-10

-25

Propagation Delay Time

Read to Data Valid Time

360

165

250

125

420

195

295

145

RESEL to Data Valid Time

RSDV

TPB

TRS

RST

RSEL

RSDV

R BUS 0-

R BUS 7

RDV

RD/WR, CS1, CS3

(NOTE 1)

CS2

NOTE:

1. Read is the overlap of CS1, CS3, RD/WR = 1 and CS2 = 0.

FIGURE 4. MODE 1 CPU INTERFACE (READ) TIMING DIAGRAM

1...4 5 678 9 10...12

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