HT6256

4

DC ELECTRICAL CHARACTERISTICS

(1) Typical operating conditions: VDD= 5.0 V,TA=25

°C.

(2) Worst case operating conditions: VDD= 5.0 V

±10%, TA=-55°C to +225°C.

(3) All inputs switching. DC average current. External control of Chip Enable (CE)

is available only in other package options.

Operating Current vs. Frequency @ 225

Cycle Times vs. Temperature

DUT

output

Valid low

output

Vref1

CL >50 pF*

249

Ω

Tester Equivalent Load Circuit

2.9 V

Valid high

output

Vref2

-

+

-

+

*CL = 5 pF for TWLQZ, TSHQZ, and TGHQZ

Read

Write

300

200

100

0

-100

15

20

25

30

Temperature (

°C)

Write

Read

25

20

15

10

5

0

0

10

20

30

40

50

60

70

Frequency (MHz)

l

o

b

m

y

Sr

e

t

e

m

a

r

a

Ps

n

o

i

t

i

d

n

o

C

t

s

e

T)

1

(

p

y

T

)

2

(

e

s

a

C

t

s

r

o

W

s

t

i

n

U

n

i

Mx

a

M

1

B

S

D

D

It

n

e

r

r

u

C

y

l

p

p

u

S

c

i

t

a

t

S

0

=

O

I

,

D

D

V

=

H

I

V

z

H

M

0

=

f

,

S

S

V

=

L

I

V

2

.

00

.

2

A

m

F

M

B

S

D

D

Id

e

t

c

e

l

e

s

e

D

—

t

n

e

r

r

u

C

y

l

p

p

u

S

y

b

d

n

a

t

S

,

0

=

O

I

,

D

D

V

=

S

C

N

z

H

M

0

4

=

f

2

.

00

.

2

A

m

W

P

O

D

D

I)

e

t

i

r

W

(

d

e

t

c

e

l

e

S

—

t

n

e

r

r

u

C

y

l

p

p

u

S

c

i

m

a

n

y

D

D

D

V

=

H

I

V

=

E

C

,

0

=

O

I

,

z

H

M

1

=

f

)

3

(

S

S

V

=

L

I

V

=

S

C

N

4

.

30

.

4

A

m

R

P

O

D

D

I)

d

a

e

R

(

d

e

t

c

e

l

e

S

—

t

n

e

r

r

u

C

y

l

p

p

u

S

c

i

m

a

n

y

D

D

D

V

=

H

I

V

=

E

C

,

0

=

O

I

,

z

H

M

1

=

f

)

3

(

S

S

V

=

L

I

V

=

S

C

N

8

.

20

.

4

A

m

I

It

n

e

r

r

u

C

e

g

a

k

a

e

L

t

u

p

n

ID

D

V

I

V

S

S

V5

-5

+A

µ

Z

O

It

n

e

r

r

u

C

e

g

a

k

a

e

L

t

u

p

t

u

O

D

D

V

O

I

V

S

S

V

Z

h

g

i

h

=

t

u

p

t

u

O

0

1

-0

1

+A

µ

L

I

Ve

g

a

t

l

o

v

t

u

p

n

I

l

e

v

e

L

-

w

o

Ln

r

e

t

t

a

P

h

c

r

a

M7

.

1d

d

V

x

3

.

0V

H

I

Ve

g

a

t

l

o

V

t

u

p

n

I

l

e

v

e

L

-

h

g

i

hn

r

e

t

t

a

P

h

c

r

a

M2

.

3d

d

V

x

7

.

0V

L

O

Ve

g

a

t

l

o

v

t

u

p

t

u

O

l

e

v

e

L

-

w

o

L

A

m

0

1

=

L

O

I

,

V

5

.

4

=

D

V)

S

O

M

C

(

A

µ

0

0

2

=

O

I

,

V

5

.

4

=

D

D

V

3

.

0

5

0

0

.

0

4

.

0

5

0

.

0

V

V

H

O

Ve

g

a

t

l

o

V

t

u

p

t

u

O

l

e

v

e

L

-

h

g

i

H

A

m

5

-

=

H

O

I

,

V

5

.

4

=

D

D

V

A

µ

0

0

2

-

=

H

O

I

,

V

5

.

4

=

D

D

V

3

.

4

5

.

4

2

.

4

5

0

.

0

-

d

d

V

V

V