CY7C1021BL-15ZC Cypress Semiconductor Corp, CY7C1021BL-15ZC Datasheet

CY7C1021BL-15ZC

Manufacturer Part Number
CY7C1021BL-15ZC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C1021BL-15ZC

Density
1Mb
Access Time (max)
15ns
Sync/async
Asynchronous
Architecture
Not Required
Clock Freq (max)
Not RequiredMHz
Operating Supply Voltage (typ)
5V
Address Bus
16b
Package Type
TSOP-II
Operating Temp Range
0C to 70C
Number Of Ports
1
Supply Current
130mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
44
Word Size
16b
Number Of Words
64K
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY7C1021BL-15ZC
Manufacturer:
CY
Quantity:
701
Cypress Semiconductor Corporation
Document #: 38-05145 Rev. *C
Features
Functional Description
The CY7C1021B is a high-performance CMOS static RAM
organized as 65,536 words by 16 bits. This device has an
Note:
1. For best-practice recommendations, please refer to the Cypress application note “System Design Guidelines” on http://www.cypress.com.
Logic Block Diagram
• Temperature Ranges
• High speed
• CMOS for optimum speed/power
• Low active power
• Automatic power-down when deselected
• Independent control of upper and lower bits
• Available in Pb-free and non Pb-free 44-pin TSOP II and
— Commercial: 0°C to 70°C
— Industrial: –40°C to 85°C
— Automotive: –40°C to 125°C
— t
— t
— 770 mW (max.)
44-pin 400-mil-wide SOJ
AA
AA
= 12 ns (Commercial & Industrial)
= 15 ns (Automotive)
A
A
A
A
A
A
A
A
2
1
0
7
6
5
4
3
[1]
DATA IN DRIVERS
COLUMN DECODER
512 X 2048
RAM Array
64K x 16
198 Champion Court
automatic power-down feature that significantly reduces
power consumption when deselected.
Writing to the device is accomplished by taking Chip Enable
(CE) and Write Enable (WE) inputs LOW. If Byte Low Enable
(BLE) is LOW, then data from I/O pins (I/O
written into the location specified on the address pins (A
through A
from I/O pins (I/O
specified on the address pins (A
Reading from the device is accomplished by taking Chip
Enable (CE) and Output Enable (OE) LOW while forcing the
Write Enable (WE) HIGH. If Byte Low Enable (BLE) is LOW,
then data from the memory location specified by the address
pins will appear on I/O
LOW, then data from memory will appear on I/O
the truth table at the back of this data sheet for a complete
description of read and write modes.
The input/output pins (I/O
high-impedance state when the device is deselected (CE
HIGH), the outputs are disabled (OE HIGH), the BHE and BLE
are disabled (BHE, BLE HIGH), or during a write operation (CE
LOW, and WE LOW).
The CY7C1021B is available in standard 44-pin TSOP Type II
and 44-pin 400-mil-wide SOJ packages.
1-Mbit (64K x 16) Static RAM
15
San Jose
). If Byte High Enable (BHE) is LOW, then data
9
through I/O
,
CA 95134-1709
1
to I/O
I/O
I/O
1
1
9
BHE
WE
CE
OE
BLE
through I/O
–I/O
–I/O
8
. If Byte High Enable (BHE) is
16
0
Revised September 28, 2006
) is written into the location
through A
8
16
16
CY7C1021B
) are placed in a
1
15
through I/O
).
9
408-943-2600
to I/O
16
. See
8
), is
0

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CY7C1021BL-15ZC Summary of contents

Page 1

... A 0 Note: 1. For best-practice recommendations, please refer to the Cypress application note “System Design Guidelines” on http://www.cypress.com. Cypress Semiconductor Corporation Document #: 38-05145 Rev. *C 1-Mbit (64K x 16) Static RAM automatic power-down feature that significantly reduces power consumption when deselected. Writing to the device is accomplished by taking Chip Enable (CE) and Write Enable (WE) inputs LOW ...

Page 2

Selection Guide Maximum Access Time (ns) Maximum Operating Current (mA) Maximum CMOS Standby Current (mA) Pin Configurations Pin Definitions Pin Name SOJ, TSOP–Pin Number A –A 1–5,18–21, 24–27, 42– I/O –I/O 7–10, 13–16, 29–32 35–38 NC ...

Page 3

Maximum Ratings (Above which the useful life may be impaired. For user guide- lines, not tested.) Storage Temperature ................................. –65°C to +150°C Ambient Temperature with Power Applied............................................. –55°C to +125°C Supply Voltage on V Relative to GND CC DC Voltage ...

Page 4

AC Test Loads and Waveforms R 481Ω R 481Ω OUTPUT OUTPUT OUTPUT OUTPUT 255Ω 255Ω INCLUDING INCLUDING JIG AND JIG AND SCOPE SCOPE (a) (a) OUTPUT OUTPUT Equivalent to: THÉVENIN Equivalent to: ...

Page 5

Switching Waveforms [9, 10] Read Cycle No. 1 ADDRESS DATA OUT PREVIOUS DATA VALID [10, 11] Read Cycle No. 2 (OE Controlled) ADDRESS CE OE BHE, BLE HIGH IMPEDANCE DATA OUT t LZCE SUPPLY CURRENT Notes: ...

Page 6

Switching Waveforms (continued) [12, 13] Write Cycle No. 1 (CE Controlled) ADDRESS ADDRESS BHE, BLE DATA I/O Write Cycle No. 2 (BLE or BHE Controlled) ADDRESS t SA BHE, BLE WE CE DATA I/O Notes: 12. ...

Page 7

Switching Waveforms (continued) Write Cycle No. 3 (WE Controlled, OE LOW) ADDRESS BHE, BLE DATA I/O Truth Table BLE BHE High Data ...

Page 8

... Ordering Information (continued) Speed (ns) Ordering Code 15 CY7C1021B-15VC CY7C1021B-15VXC CY7C1021B-15ZC CY7C1021B-15ZXC CY7C1021B-15VI CY7C1021B-15VXI CY7C1021B-15ZI CY7C1021BL-15ZI CY7C1021B-15ZXI CY7C1021BL-15ZXI CY7C1021B-15VE CY7C1021B-15VXE CY7C1021B-15ZE CY7C1021B-15ZSXE Package Diagrams 44 1 0.095 0.115 0.023 0.045 0.033 MAX. 0.013 0.023 Document #: 38-05145 Rev. *C Package Name 51-85082 44-pin (400-Mil) Molded SOJ ...

Page 9

... Document #: 38-05145 Rev. *C © Cypress Semiconductor Corporation, 2006. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress ...

Page 10

Document History Page Document Title: CY7C1021B 1-Mbit (64K x 16) Static RAM Document Number: 38-05145 REV. ECN NO. Issue Date ** 109889 09/22/01 *A 238454 See ECN *B 361795 See ECN *C 505726 See ECN Document #: 38-05145 Rev. *C ...

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