CY7C1049CV33
Selection Guide
-8
[]
Maximum Access Time
Maximum Operating Current
Commercial
Industrial
Automotive
Maximum CMOS Standby Current
Shaded areas contain advance information.
-10
10
90
100
-
10
-
-12
12
85
95
-
10
-
-15
15
80
90
95
10
15
Unit
ns
mA
mA
mA
mA
mA
8
100
110
-
10
-
Commercial / Industrial
Automotive
Pin Definitions
Pin Name
A
0
-A
18
I/O
0
- I/O
7
NC
[2]
36-SOJ
Pin Number
1-5,14-18,
20-24,32-35
7,8,11,12,25,
26,29,30
19,36
44 TSOP-II
Pin Number
3-7,16-20,
26-30,38-41
9,10,13,14,
31,32,35,36
1,2,21,22,23,
24,25,42,43,
44
WE
CE
OE
13
6
31
15
8
37
Input/Control
Input/Control
Input/Control
Write Enable Input, active LOW.
When selected LOW, a WRITE
is conducted. When selected HIGH, a READ is conducted.
Chip Enable Input, active LOW.
When LOW, selects the chip.
When HIGH, deselects the chip.
Output Enable, active LOW.
Controls the direction of the I/O pins.
When LOW, the I/O pins are allowed to behave as outputs. When
deasserted HIGH, I/O pins are three-stated, and act as input data
pins.
Ground for the device.
Should be connected to ground of the
system.
No Connect
Input/Output
Bidirectional Data I/O lines.
Used as input or output lines
depending on operation
No Connects.
This pin is not connected to the die
I/O Type
Input
Description
Address Inputs used to select one of the address locations.
V
SS
, GND
V
CC
10,28
9,27
12,34
11,33
Ground
Power Supply
Power Supply inputs to the device.
Notes:
2. NC pins are not connected on the die.
Document #: 38-05006 Rev. *C
Page 2 of 9
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