HT6256DB HONEYWELL [Honeywell Solid State Electronics Center], HT6256DB Datasheet - Page 4

• Manufacturer Part Number: HT6256DB
• Description: HIGH TEMPERATURE 32K x 8 STATIC RAM
• Manufacturer: HONEYWELL [Honeywell Solid State Electronics Center]

DC ELECTRICAL CHARACTERISTICS
HT6256
Operating Current vs. Frequency @ 225 C
(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)
D I
D I
D I
D I
I I
I
S
V
V
V
V
O
y
L I
H I
O
O
D
D
D
D
Z
is available only in other package options.
m
70
60
50
40
30
20
10
L
H
0
S
S
O
O
b
B
B
0
P
P
l o
1
M
W
R
F
P
D
D
n I
L
L
H
S
S
O
h
o
o
g i
a
a t
a t
n y
n y
g i
p
u
w
w
a r
5
t u
p t
h
c i t
n
h
a
a
L -
L -
L -
d
L -
t u
m
m
m
L
y b
v e
v e
S
v e
v e
e
t e
c i
c i
L
u
a
l e
l e
l e
e
S
l e
p
r e
S
S
a k
a
p
u
n I
O
u
u
n I
a k
O
Frequency (MHz)
y l
p
g
p
p
10
p
u
p
p
e
u
p
p
g
C
t u
p t
t u
y l
p t
y l
y l
C
e
r u
t u
t u
C
r u
o v
V
C
C
C
e r
o
r u
o v
r u
r u
r u
e r
V
a t l
a t l
t n
e r
o
t n
e r
e r
e r
a t l
g
a t l
g
t n
t n
t n
t n
e
15
e
g
—
g
e
—
—
e
D
Write
S
S
s e
l e
l e
c e
c e
l e
c e
e t
e t
20
d
d
e t
(
R (
Read
d
W
e
t i r
a
) e
) d
25
N
N
N
M
M
T
V
V
= f
= f
= f
V
V
O
V
V
V
V
e
H I
L I
C
C
C
S
S
D
D
D
D
u
a
a
4
1
1
t s
p t
S
S
S
S
S
c r
c r
D
D
D
0
=
=
=
M
M
=
=
=
V
=
=
=
u
h
h
V
M
4
C
H
H
V
V
V
= t
4
4
4
S
5 .
D
I V
I V
P
P
o
H
4
5 .
5 .
5 .
D
, z
L I
, z
L I
, S
h
, D
t a
t a
V
n
z
O
D
V
V
V
=
=
g i
d
I ,
e t
e t
I
I
I ,
V
V
I ,
I ,
I ,
h
t i
= f
O
O
V
O
I
n r
n r
S
S
o i
O
O
D
O
O
O
=
=
V
Z
0
30
25
20
15
L
S
S
=
, 0
, 0
-100
M
=
D
H
H
n
D
=
=
0
, 0
s
(
(
output
D
1
=
=
H
2
) 3
) 3
DUT
C
C
0
5 -
2 -
0
z
E
E
0
m
0
=
=
m
0
µ
Cycle Times vs. Temperature
A
V
V
Tester Equivalent Load Circuit
A
A
µ
H I
H I
C (
A
=
=
M
V
V
2.9 V
O
D
D
0
) S
D
D
249
C L >50 pF*
Temperature ( C)
T
*C L = 5 pF for TWLQZ, TSHQZ, and TGHQZ
0
y
0
0
3
2
3
0
0 .
4
4
1
p
2 .
2 .
4 .
8 .
2 .
3 .
3 .
5 .
7 .
0
(
Vref1
Vref2
5
) 1
100
V
. 0
W
d
x 7
+
+
M
-
-
d
1 -
4
Read
r o
5 -
0 -
2 .
n i
V
0
t s
0 .
d
d
5
C
200
a
Valid high
. 0
Valid low
s
output
output
e
M
x 3
0
+
2
2
4
4
0
+
0 .
1
Write
a
0 .
0 .
0 .
0 .
4 .
(
5
V
) 2
0
5
x
d
d
U
300
m
m
m
m
µ
µ
i n
V
V
V
V
V
V
A
A
A
A
A
A
s t