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Dc and ac operating conditions for read operation, Ac characteristics for read operation – Rainbow Electronics AT27C040 User Manual

Page 4

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AT27C040

4

Notes:

1. V

CC

must be applied simultaneously or before V

PP

, and removed simultaneously or after V

PP

.

2. V

PP

may be connected directly to V

CC

, except during programming. The supply current would then be the sum of I

CC

and I

PP

.

Notes:

1. 2, 3, 4, 5 - see AC Waveforms for Read Operation

DC and AC Operating Conditions for Read Operation

AT27C040-70

AT27C040-90

AT27C040-12

AT27C040-15

Operating
Temperature (Case)

Com.

0°C - 70°C

0°C - 70°C

0°C - 70°C

0°C - 70°C

Ind.

-40°C - 85°C

-40°C - 85°C

-40°C - 85°C

-40°C - 85°C

V

CC

Power Supply

5V

±

10%

5V

±

10%

5V

±

10%

5V

±

10%

DC and Operating Characteristics for Read Operation

Symbol

Paramter

Condition

Min

Max

Units

I

LI

Input Load Current

V

IN

= 0V to V

CC

±

1

µ

A

I

LO

Output Leakage Current

V

OUT

= 0V to V

CC

±

5

µ

A

I

PP1

(2)

V

PP

(1)

Read/Standby Current

V

PP

= V

CC

10

µ

A

I

SB

V

CC1

(1)

Standby Current

I

SB1

(CMOS), CE = V

CC

±

0.3V

100

µ

A

I

SB2

(TTL), CE = 2.0 to V

CC

+ 0.5V

1

mA

I

CC

V

CC

Active Current

f = 5 MHz, I

OUT

= 0 mA, CE = V

IL

30

mA

V

IL

Input Low Voltage

-0.6

0.8

V

V

IH

Input High Voltage

2.0

V

CC

+ 0.5

V

V

OL

Output Low Voltage

I

OL

= 2.1 mA

0.4

V

V

OH

Output High Voltage

I

OH

= -400

µ

A

2.4

V

AC Characteristics for Read Operation

Symbol

Parameter

Condition

AT27C040

Units

-70

-90

-12

-15

Min

Max

Min

Max

Min

Max

Min

Max

t

ACC

(3)

Address to Output Delay

CE = OE

= V

IL

70

90

120

150

ns

t

CE

(2)

CE to Output Delay

OE = V

IL

70

90

120

150

ns

t

OE

(2)(3)

OE to Output Delay

CE = V

IL

30

35

35

40

ns

t

DF

(4)(5)

OE or CE High to Output Float, whichever
occurred first

20

20

30

30

ns

t

OH

Output Hold from Address, CE or OE,
whichever occurred first

0

0

0

0

ns