1. All Vcc pins must be connected to the power supply.
2. All GND pins must be connected to the ground supply.
3. Package body is approximately 1.15 in x 1.15 in x .17 in.
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.
6.42
2
IDT7026S/L
High-Speed 16K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
Pin Configurations
(1,2,3)
(con't.)
63
61
60
58
55
54
51
48
46
45
42
11
I/O
7L
66
I/O
5L
64
I/O
4L
62
I/O
2L
59
I/O
0L
56
OE
L
49
SEM
L
50
LB
L
47
A
12L
44
A
11L
43
A
8L
40
10
I/O
10L
67
I/O
8L
65
I/O
6L
I/O
3L
I/O
1L
57
UB
L
53
CE
L
52
A
13L
A
10L
A
9L
41
A
6L
39
09
I/O
11L
69
I/O
9L
68
GND
V
CC
R/W
L
A
7L
38
A
5L
37
08
I/O
13L
72
I/O
12L
71
73
33
A
4L
35
A
3L
34
07
I/O
15L
75
I/O
14L
70
V
CC
74
BUSY
L
IDT7026G
G84
(4)
84-Pin PGA
Top View
(5)
32
A
1L
31
36
A
0L
06
I/O
0R
76
GND
77
GND
78
GND
28
M/S
29
A
2L
30
05
I/O
1R
79
I/O
2R
80
V
CC
A
1R
26
A
0R
BUSY
R
27
04
I/O
3R
81
I/O
4R
83
7
11
12
A
3R
23
25
A
2R
03
I/O
5R
82
1
I/O
7R
2
5
GND
8
GND
10
SEM
R
14
17
20
A
6R
22
A
4R
24
02
I/O
6R
84
3
I/O
9R
I/O
10R
4
I/O
13R
6
I/O
15R
9
R/W
R
15
UB
R
13
A
12R
16
A
9R
18
A
7R
19
A
5R
21
01
I/O
8R
A
I/O
11R
B
I/O
12R
C
I/O
14R
D
OE
R
E
LB
R
F
CE
R
G
A
13R
H
A
11R
J
A
10R
K
A
8R
L
2939 drw 03
NOTES:
1. All V
CC
pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. Package body is approximately 1.12 in x 1.12 in x .16 in.
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.
Index
Maximum Operating Temperature
and Supply Voltage
(1)
Grade
Ambient
Temperature
-55
O
C to+125
O
C
0
O
C to +70
O
C
-40
O
C to +85
O
C
GND
0V
0V
0V
Vcc
5.0V
+
10%
5.0V
+
10%
5.0V
+
10%
2939 tbl 02a
Pin Names
Left Port
CE
L
R/W
L
OE
L
A
0L
- A
13L
I/O
0L
- I/O
15L
SEM
L
UB
L
LB
L
BUSY
L
CE
R
R/W
R
OE
R
A
0R
- A
13R
I/O
0R
- I/O
15R
SEM
R
UB
R
LB
R
BUSY
R
M/S
V
CC
GND
Right Port
Chip Enable
Read/Write Enable
Output Enable
Address
Data Input/Output
Semaphore Enable
Upper Byte Select
Lower Byte Select
Busy Flag
Master or Slave Select
Power
Ground
2939 tbl 01
Names
Military
Commercial
Industrial
NOTES:
1. This is the parameter T
A
. This is the "instant on" case temperature.
Capacitance
(1)
(T
A
= +25°C, f = 1.0mhz)
Symbol
C
IN
C
OUT
Parameter
Input Capacitance
Output
Capacitance
Conditions
(2)
V
IN
= 3dV
V
OUT
= 3dV
Max.
9
10
Unit
pF
pF
2939 tbl 03
NOTES:
1. This parameter is determined by device characterization but is not production
tested.
2. 3dV represents the interpolated capacitance when the input and output signals
switch from 0V to 3V or from 3V to 0V.
6.42
3
IDT7026S/L
High-Speed 16K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
Truth Table I – Non-Contention Read/Write Control
Inputs
(1)
CE
H
X
L
L
L
L
L
L
X
R/W
X
X
L
L
L
H
H
H
X
OE
X
X
X
X
X
L
L
L
H
UB
X
H
L
H
L
L
H
L
X
LB
X
H
H
L
L
H
L
L
X
SEM
H
H
H
H
H
H
H
H
X
Outputs
I/O
8-15
High-Z
High-Z
DATA
IN
High-Z
DATA
IN
DATA
OUT
High-Z
DATA
OUT
High-Z
I/O
0-7
High-Z
High-Z
High-Z
DATA
IN
DATA
IN
High-Z
DATA
OUT
DATA
OUT
High-Z
Mode
Deselected: Power-Down
Both Bytes Deselected
Write to Upper Byte Only
Write to Lower Byte Only
Write to Both Bytes
Read Upper Byte Only
Read Lower Byte Only
Read Both Bytes
Outputs Disabled
2939 tbl 04
NOTE:
1. A
0L
— A
13L
≠
A
0R
— A
13R.
Truth Table II – Semaphore Read/Write Control
(1)
Inputs
CE
H
X
H
X
L
L
R/W
H
H
OE
L
L
X
X
X
X
UB
X
H
X
H
L
X
LB
X
H
X
H
X
L
SEM
L
L
L
L
L
L
Outputs
I/O
8-15
DATA
OUT
DATA
OUT
DATA
IN
DATA
IN
______
______
I/O
0-7
DATA
OUT
DATA
OUT
DATA
IN
DATA
IN
______
______
Mode
Read Data in Semaphore Flag
Read Data in Semaphore Flag
Write I/O
0
into Semaphore Flag
Write I/O
0
into Semaphore Flag
Not Allowed
Not Allowed
2939 tbl 05
↑
↑
X
X
NOTE:
1. There are eight semaphore flags written to via I/O
0
and read from all I/O's (I/O
0
-I/O
15
). These eight semaphores are addressed by A
0
- A
2
.
Absolute Maximum Ratings
(1)
Symbol
V
TERM
(2)
T
BIAS
T
STG
I
OUT
Rating
Terminal Voltage with Respect to GND
Temperature Under Bias
Storage Temperature
DC Output Current
Commercial
& Industrial
-0.5 to +7.0
-55 to +125
-55 to +125
50
Military
-0.5 to +7.0
-65 to +135
-65 to +150
50
Unit
V
o
o
C
C
mA
2939 tbl 06a
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect reliability.
2. V
TERM
must not exceed Vcc + 10% for more than 25% of the cycle time or 10ns maximum, and is limited to < 20mA for the period of
V
TERM
> Vcc + 10%.
6.42
4
IDT7026S/L
High-Speed 16K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
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