CY7C1021BNL-15VXCT Cypress Semiconductor Corp, CY7C1021BNL-15VXCT Datasheet - Page 3

• Manufacturer Part Number: CY7C1021BNL-15VXCT
• Description: CY7C1021BNL-15VXCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1021BNL-15VXCT

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 1M (64K x 16)
• Speed: 15ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-SOJ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Selection Guide
Pin Configuration
Pin Definitions
Document #: 001-06494 Rev. *C
Maximum access time (ns)
Maximum operating current (mA)
Maximum CMOS standby current (mA) Commercial/Industrial
Pin Name
I/O
BHE, BLE
A
0
1
V
V
WE
NC
CE
OE
–A
–I/O
SS
CC
15
16
1–5,18–21, 24–27, 42–44
7–10, 13–16, 29–32,
Pin Number
22, 23, 28
35–38
40, 39
12, 34
11, 33
17
41
6
Description
Commercial/Industrial
Automotive-A
Automotive-E
Commercial/Industrial (L version)
Automotive-A (L version)
Automotive-E
Power Supply Power supply inputs to the device.
Input/Control Write enable input, active LOW. When selected LOW, a write is
Input/Control Chip enable input, active LOW. When LOW, selects the chip. When HIGH,
Input/Control Byte enable select inputs, active LOW. BHE controls I/O
Input/Control Output enable, active LOW. Controls the direction of the I/O pins. When
Input/Output Bidirectional data I/O lines. Used as input or output lines depending on
No Connect Not connected to the die.
Figure 1. 44-Pin SOJ/TSOP II (Top View)
I/O Type
Ground
Input
I/O
I/O
I/O
I/O
V
I/O
I/O
I/O
I/O
V
A
A
A
A
WE
NC
CE
CC
A
A
A
A
A
SS
15
14
13
12
4
3
2
1
0
1
2
3
4
5
6
7
8
Address inputs used to select one of the address locations.
operation.
conducted. When deselected HIGH, a read is conducted.
deselects the chip.
controls I/O
LOW, the I/O pins are allowed to behave as outputs. When deasserted
HIGH, I/O pins are tristated, and act as input data pins.
Ground for the device. Should be connected to ground of the system.
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
8
–I/O
A
A
A
OE
BHE
BLE
I/O
I/O
I/O
I/O
V
V
I/O
I/O
I/O
I/O
NC
A
A
A
A
NC
5
6
7
SS
CC
8
9
10
11
1
16
15
14
13
12
11
10
9
.
CY7C10211B-10 CY7C1021B-12 CY7C1021B-15
CY7C1021BN, CY7C10211BN
150
0.5
10
10
-
-
-
-
Description
140
0.5
12
10
-
-
-
-
Page 3 of 13
16
–I/O
130
130
130
0.5
0.5
15
10
15
9
, BLE
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