IDT7027S/L
High-Speed 32K x 16 Dual-Port Static RAM
Military, Industrial and Commercial Temperature Ranges
Pin Configurations(1,2,3) (con't.)
81
A10R
80
A11R
77
A14R
74
76
79
72
69
68
65
63
60
57
54
UBR SEMR
GND
NC
NC
GND
NC
I/O13R I/O10R NC
12
11
10
09
08
84
A7R
83
A8R
78
A13R
73
70
67
64
61
59
56
53
CE1R R/WR GND I/O14R I/O12R I/O9R
NC
LBR
87
86
82
75
71
66
62
58
55
51
50
CE0R OER
A4R
A5R
A9R
A12R
NC
I/O15R I/O11R NC
I/O8R I/O7R
90
A1R
88
A3R
85
A6R
52
49
47
NC
Vcc I/O5R
92
91
89
48
46
45
INTR
A0R
A2R
I/O6R I/O4R I/O3R
95
94
93
44
43
42
GND
BUSYR
I/O2R I/O1R I/O0R
M/
S
07
06
IDT7027G
G108-1
(4)
96
BUSYL
97
98
39
40
41
NC
INTL
I/O0L GND
I/O1L
108-Pin PGA
(5)
Top View
99
100
A1L
102
35
37
38
A0L
A3L
I/O4L I/O2L GND
05
04
03
02
01
101
103
A4L
106
31
34
36
A2L
A7L
Vcc
I/O5L I/O3L
104
105
1
4
7
9
8
12
17
21
25
28
32
33
A5L
A6L
A10L
A13L
NC
CE1L GND I/O14L I/O10L
NC
I/O7L I/O6L
107
2
3
5
10
13
16
19
22
24
29
30
UBL SEML
A8L
A11L
A14L
NC
OEL
GND I/O13L I/O11L NC
I/O8L
108
6
11
14
15
18
20
23
26
27
LBL CE0L
A9L
A12L
B
NC
Vcc R/WL
NC I/O15L I/O12L I/O9L NC
.
A
C
D
E
F
G
H
J
K
L
M
3199 drw 03
INDEX
NOTES:
Pin Names
1. All VCC pins must be connected to power supply.
2. All GND pins must be connected to ground supply.
3. Package body is approximately 1.21 in x 1.21 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.
Left Port
Right Port
Names
CE0L
1L
CE0R
1R
Chip Enables
Read/Write Enable
Output Enable
Address
, CE
, CE
WL
WR
R/
R/
OEL
OER
0L
14L
0R
A
14R
- A
A
- A
0L
15L
0R
15R
I/O - I/O
SEML
UBL
I/O - I/O
SEMR
UBR
Data Input/Output
Semaphore Enable
Upper Byte Select
Lower Byte Select
Interrupt Flag
LBL
LBR
INTL
INTR
BUSYL
BUSYR
S
Busy Flag
M/
Master or Slave Select
Power
CC
V
GND
Ground
3199 tbl 01
3
6.42
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
