Rainbow-electronics DS1216 Manual do Utilizador descarregar pdf (Página 9)

DS1216

9 of 13

CAPACITANCE (T

A

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

IN

5pF

Output Capacitance C

OUT

7pF

(T

A

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Expected Data Retention t

DR

10 Years 14

AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V

CC

= 4.5 to 5.5V)

PARAMETER SYMBOL MIN TYPE MAX UNITS NOTES

Read Cycle Time t

RC

75 ns

CE Access Time

t

CO

65 ns

OE Access Time

t

OE

65 ns

CE to Output Low-Z

t

COE

6ns

OE to Output Low-Z

t

OEE

6ns

CE to Output High-Z

t

OD

30 ns

OE to Output High-Z

t

ODO

30 ns

Address Setup Time (ROM) t

AS

20 11

Address Hold Time (ROM) t

AH

10 12

Read Recovery t

RR

15 ns

Write Cycle Time t

WC

75 ns

Write Pulse Width t

WP

75 ns

Write Recovery t

WR

15 ns 9

Data Setup Time t

DS

35 ns 10

Data Hold Time t

DH

0ns10

CE Pulse Width

t

CW

65 ns

RESET Pulse Width

t

RST

75 ns

CE Propagation Delay

t

PD

6ns7

CE High to Power-Fail

t

PF

0ns

1 2 3 4 5 6 7 8 9 10 11 12 13

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