CY7C1381D-133AXI Cypress Semiconductor Corp, CY7C1381D-133AXI Datasheet - Page 2

• Manufacturer Part Number: CY7C1381D-133AXI
• Description: IC,SYNC SRAM,512KX36,CMOS,QFP,100PIN,PLASTIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1381D-133AXI

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous
• Memory Size: 18M (512K x 36)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 428-2147; CY7C1381D-133AXI

Pin Configurations
Table 1. Pin Definitions
Table 2. Selection Guide
Document #: 38-06037 Rev. *E
I/O
A
CE
OE
R/W
SEM
INT
BUSY
M/S
V
GND
Maximum Access Time (ns)
Maximum Operating Current
Maximum Standby Current for I
Notes
3. I/O
4. I/O
0L–11L
CC
0L–7L(8L)
L
L
L
L
L
8R
8L
Left Port
L
on the CY7C139.
on the CY7C139.
Description
I/O
A
CE
OE
R/W
SEM
INT
BUSY
0R–11R
0R–7R(8R)
R
R
R
R
R
R
Right Port
SB1
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
I/O
GND
V
V
CC
CC
0R
1R
2R
3R
4R
5R
6R
2L
3L
4L
5L
6L
7L
Commercial
Commercial
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
2728 29 30
9 8 7 6
Figure 1. 68-Pin PLCC (Top View)
Data Bus Input/Output
Address Lines
Chip Enable
Output Enable
Read/Write Enable
Semaphore Enable. When asserted LOW, allows access to eight semaphores. The
three least significant bits of the address lines will determine which semaphore to
write or read. The I/O
requested by writing a 0 into the respective location.
Interrupt Flag. INT
left port reads location FFE. INT
cleared when right port reads location FFF.
Busy Flag
Master or Slave Select
Power
Ground
3132 33 34 35 36 37 38 39 40 41 42 43
5 4 3 2 1 68
7C138-15
7C139-15
CY7C138/9
220
15
60
L
is set when right port writes location FFE and is cleared when
67
0
66 65 64 63 62 61
pin is used when writing to a semaphore. Semaphores are
7C138-25
7C139-25
180
25
40
R
is set when left port writes location FFF and is
Description
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
A
A
A
A
A
A
INT
BUSY
GND
M/S
BUSY
INT
A
A
A
A
A
5L
4L
3L
2L
1L
0L
0R
1R
2R
3R
4R
L
R
7C138-35
7C139-35
L
R
160
35
30
CY7C138, CY7C139
7C138-55
7C139-55
160
55
30
Page 2 of 17
Unit
mA
mA
ns
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