CDP1824EX datasheet(5/6 Pages) INTERSIL

Part #	CDP1824EX

Description	32-Word x 8-Bit Static RAM

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Manufacturer	INTERSIL [Intersil Corporation]

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Data Retention Speciﬁcations at TA = -40oC to +85oC; See Figure 3

PARAMETER

SYMBOL

TEST CONDITIONS

LIMITS

UNITS

VDD

(V)

CDP1824

CDP1824C

MIN

MAX

MIN

MAX

Data Retention Voltage

VDR

-

2.5

-

2.5

-

V

Data Retention Quiescent Current

IDD

VDR = 2.5V

-

10

-

40

µA

Chip Deselect to Data Retention

Time

tCDR

VDR = 2.5V

5

600

-

600

-

ns

10

300

-

ns

Recovery to Normal Operation Time

tRC

VDR = 2.5V

5

600

-

600

-

ns

10

300

-

ns

FIGURE 4. FUNCTIONAL DIAGRAM

FIGURE 5. CDP1824 (128 X 8) MINIMUM SYSTEM (128 X 8)

MA4

MA3

MA2

MA1

MA0

MWR

CS

VDD = 18

VSS = 9

BUS

7

BUS

6

BUS

5

BUS

4

BUS

3

BUS

2

BUS

1

BUS

0

MRD

16

5

4

3

21

17

15

6

7

8

10

11

12

13

14

ADDRESS

DECODER

32 X 8-BIT

ARRAY

SENSE

AMPL

I/O BUFFERS

ADDRESS

CPU/ROM SYSTEM

RAM SYSTEM

MA0-MA7

MRD

MWR

CS

CE0

MRD

TPA

BUS0-BUS7

TPA

MRD

MWR

DATA

ROM

CPU

CDP1802

RAM

CDP1824

CDP1824, CDP1824C

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CDP1824EX Datasheet(PDF) 5 Page - Intersil Corporation

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