CY7C1021D-10ZSXIT [CYPRESS]

Standard SRAM, 64KX16, 10ns, CMOS, PDSO44, LEAD FREE, TSOP2-44;
CY7C1021D-10ZSXIT
型号: CY7C1021D-10ZSXIT
厂家: CYPRESS    CYPRESS
描述:

Standard SRAM, 64KX16, 10ns, CMOS, PDSO44, LEAD FREE, TSOP2-44

静态存储器 光电二极管 内存集成电路
文件: 总17页 (文件大小:1522K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
CY7C1021D  
1-Mbit (64K × 16) Static RAM  
1-Mbit (64K  
× 16) Static RAM  
automatic power down feature that significantly reduces power  
consumption when deselected. The input and output pins (I/O0  
through I/O15) are placed in a high impedance state when the  
device is deselected (CE HIGH), outputs are disabled (OE  
HIGH), BHE and BLE are disabled (BHE, BLE HIGH), or during  
a write operation (CE LOW and WE LOW).  
Features  
Temperature Ranges:  
Industrial: –40 °C to 85 °C  
Automotive-A: –40 °C to 85 °C  
Pin and Function Compatible with CY7C1021B  
Write to the device 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/O0 through I/O7), is written into the location  
specified on the address pins (A0 through A15). If Byte High  
Enable (BHE) is LOW, then data from I/O pins (I/O8 through  
I/O15) is written into the location specified on the address pins  
(A0 through A15).  
High Speed  
tAA = 10 ns  
Low Active Power  
ICC = 80 mA at 10 ns  
Low CMOS Standby Power  
ISB2 = 3 mA  
Read from the device 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 appears on I/O0 to I/O7. If  
Byte High Enable (BHE) is LOW, then data from memory  
appears on I/O8 to I/O15. See the Truth Table on page 10 for a  
complete description of read and write modes.  
2.0 V Data Retention  
Automatic Power Down when Deselected  
CMOS for Optimum Speed and Power  
Independent Control of Upper and Lower Bits  
The CY7C1021D device is suitable for interfacing with  
processors that have TTL I/P levels. It is not suitable for  
processors that require CMOS I/P levels. Please see Electrical  
Characteristics on page 4 for more details and suggested  
alternatives.  
Available in Pb-free 44-pin 400 Mils Wide Molded SOJ and  
44-pin TSOP II Packages  
Functional Description  
For a complete list of related documentation, click here.  
The CY7C1021D is a high performance CMOS static RAM  
organized as 65,536 words by 16 bits. This device has an  
Logic Block Diagram  
DATA IN DRIVERS  
A7  
A6  
A5  
64K x 16  
A4  
I/O0–I/O7  
RAM Array  
A3  
A2  
A1  
A0  
I/O8–I/O15  
COLUMN DECODER  
BHE  
WE  
CE  
OE  
BLE  
Cypress Semiconductor Corporation  
Document Number: 38-05462 Rev. *O  
198 Champion Court  
San Jose, CA 95134-1709  
408-943-2600  
Revised June 2, 2016  
 
 
CY7C1021D  
Contents  
Pin Configurations ...........................................................3  
Selection Guide ................................................................3  
Maximum Ratings .............................................................4  
Operating Range ...............................................................4  
Electrical Characteristics .................................................4  
Capacitance ......................................................................5  
Thermal Resistance ..........................................................5  
AC Test Loads and Waveforms .......................................5  
Data Retention Characteristics .......................................6  
Data Retention Waveform ................................................6  
Switching Characteristics ................................................7  
Switching Waveforms ......................................................8  
Truth Table ......................................................................10  
Ordering Information ......................................................11  
Ordering Code Definitions .........................................11  
Package Diagrams ..........................................................12  
Acronyms ........................................................................14  
Document Conventions .................................................14  
Units of Measure .......................................................14  
Document History Page .................................................15  
Sales, Solutions, and Legal Information ......................17  
Worldwide Sales and Design Support .......................17  
Products ....................................................................17  
PSoC®Solutions .......................................................17  
Cypress Developer Community .................................17  
Technical Support .....................................................17  
Document Number: 38-05462 Rev. *O  
Page 2 of 17  
CY7C1021D  
Pin Configurations  
Figure 1. 44-pin SOJ / 44-pin TSOP II pinout (Top View) [1]  
A
A
A
A
A
A
A
A
7
OE  
BHE  
BLE  
I/O  
15  
I/O  
I/O  
13  
I/O  
1
2
3
4
5
6
7
8
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
4
3
2
1
0
5
6
CE  
I/O  
0
1
2
3
I/O  
I/O  
I/O  
V
14  
9
10  
11  
12  
13  
14  
15  
16  
12  
V
CC  
SS  
V
SS  
V
CC  
I/O  
I/O  
I/O  
I/O  
I/O  
4
5
6
7
11  
10  
I/O  
I/O  
I/O  
9
8
WE 17  
NC  
A
A
A
A
A
18  
19  
20  
21  
22  
15  
14  
13  
12  
8
A
9
A
10  
A
11  
NC  
NC  
Selection Guide  
-10 (Industrial /  
Automotive-A)  
Description  
Unit  
Maximum Access Time  
10  
80  
3
ns  
Maximum Operating Current  
Maximum CMOS Standby Current  
mA  
mA  
Note  
1. NC pins are not connected on the die.  
Document Number: 38-05462 Rev. *O  
Page 3 of 17  
 
 
CY7C1021D  
DC Input Voltage [2] ............................ –0.5 V to VCC + 0.5 V  
Current into Outputs (LOW) ........................................ 20 mA  
Maximum Ratings  
Exceeding the maximum ratings may impair the useful life of the  
device. These user guidelines are not tested.  
Static Discharge Voltage  
(per MIL-STD-883, Method 3015) ..........................> 2001 V  
Storage Temperature ............................... –65 C to +150 C  
Latch Up Current ...................................................> 200 mA  
Ambient Temperature  
with Power Applied .................................. –55 C to +125 C  
Operating Range  
Supply Voltage  
Ambient  
Temperature  
on VCC to Relative GND[2] ...........................–0.5 V to +6.0 V  
Range  
VCC  
Speed  
DC Voltage Applied to Outputs  
Industrial  
–40 C to +85 C  
5 V 10%  
10 ns  
in High Z State [2] ................................0.5 V to VCC + 0.5 V  
Automotive-A  
Electrical Characteristics  
Over the Operating Range  
-10 (Industrial /  
Automotive-A)  
Parameter  
Description  
Test Conditions  
Unit  
Min  
2.4  
Max  
VOH  
Output HIGH Voltage  
IOH = –4.0 mA  
IOH = –0.1 mA  
IOL = 8.0 mA  
V
3.4 [3]  
0.4  
VOL  
VIH  
VIL  
IIX  
Output LOW Voltage  
V
Input HIGH Voltage  
2.2  
0.5  
1  
1  
VCC + 0.5 V  
V
Input LOW Voltage [2]  
Input Leakage Current  
Output Leakage Current  
VCC Operating Supply Current  
0.8  
+1  
+1  
80  
72  
58  
37  
10  
V
GND < VI < VCC  
A  
A  
mA  
mA  
mA  
mA  
mA  
IOZ  
ICC  
GND < VI < VCC, Output Disabled  
VCC = Max, IOUT = 0 mA,  
f = fmax = 1/tRC  
100 MHz  
83 MHz  
66 MHz  
40 MHz  
ISB1  
ISB2  
Automatic CE Power Down  
Current –TTL Inputs  
Max VCC, CE > VIH, VIN > VIH or VIN < VIL, f = fmax  
Automatic CE Power Down  
Current – CMOS Inputs  
Max VCC, CE > VCC – 0.3 V, VIN > VCC – 0.3 V, or  
3
mA  
VIN < 0.3 V, f = 0  
Note  
2.  
V (min) = –2.0 V and V (max) = V + 1 V for pulse durations of less than 5 ns.  
IL IH CC  
3. Please note that the maximum V limit does not exceed minimum CMOS V of 3.5 V. If you are interfacing this SRAM with 5 V legacy processors that require a  
OH  
IH  
minimum V of 3.5 V, please refer to Application Note AN6081 for technical details and options you may consider.  
IH  
Document Number: 38-05462 Rev. *O  
Page 4 of 17  
 
 
 
 
CY7C1021D  
Capacitance  
Parameter [4]  
Description  
Input capacitance  
Output capacitance  
Test Conditions  
TA = 25C, f = 1 MHz, VCC = 5.0 V  
Max  
8
Unit  
pF  
CIN  
COUT  
8
pF  
Thermal Resistance  
Parameter [4]  
Description  
Test Conditions  
44-pin SOJ 44-pin TSOP II Unit  
JA  
Thermal resistance  
(junction to ambient)  
Still Air, soldered on a 3 × 4.5 inch,  
four-layer printed circuit board  
59.52  
53.91  
C/W  
JC  
Thermal resistance  
(junction to case)  
36.75  
21.24  
C/W  
AC Test Loads and Waveforms  
Figure 2. AC Test Loads and Waveforms [5]  
ALL INPUT PULSES  
3.0 V  
Z = 50  
90%  
10%  
90%  
10%  
OUTPUT  
50  
GND  
30 pF*  
* CAPACITIVE LOAD CONSISTS  
OF ALL COMPONENTS OF THE  
TEST ENVIRONMENT  
1.5 V  
Fall Time: 3 ns  
Rise Time: 3 ns  
(b)  
(a)  
High-Z characteristics:  
R1 480  
5 V  
OUTPUT  
R2  
255  
5 pF  
INCLUDING  
JIG AND  
SCOPE  
(c)  
Notes  
4. Tested initially and after any design or process changes that may affect these parameters.  
5. AC characteristics (except High Z) are tested using the load conditions shown in Figure 2 (a). High Z characteristics are tested for all speeds using the test load  
shown in Figure 2 (c).  
Document Number: 38-05462 Rev. *O  
Page 5 of 17  
 
 
 
CY7C1021D  
Data Retention Characteristics  
Over the Operating Range  
Parameter  
VDR  
ICCDR  
Description  
VCC for Data Retention  
Data Retention Current  
Conditions  
Min  
2.0  
Max  
Unit  
V
VCC = VDR = 2.0 V, CE > VCC – 0.3 V,  
IN > VCC – 0.3 V or VIN < 0.3 V  
3
mA  
V
[6]  
tCDR  
Chip Deselect to Data Retention  
Time  
0
ns  
ns  
[7]  
tR  
Operation Recovery Time  
tRC  
Data Retention Waveform  
Figure 3. Data Retention Waveform  
DATA RETENTION MODE  
4.5 V  
4.5 V  
VDR > 2 V  
V
CC  
t
t
R
CDR  
CE  
Notes  
6.  
V
(min) = –2.0 V and V (max) = V + 1 V for pulse durations of less than 5 ns.  
IH CC  
IL  
7. Full device operation requires linear V ramp from V to V  
> 50 s or stable at V  
> 50 s.  
CC  
DR  
CC(min)  
CC(min)  
Document Number: 38-05462 Rev. *O  
Page 6 of 17  
 
 
CY7C1021D  
Switching Characteristics  
Over the Operating Range  
-10 (Industrial /  
Automotive-A)  
Parameter [8]  
Description  
Unit  
Min  
Max  
Read Cycle  
[9]  
tpower  
tRC  
VCC(typical) to the first access  
100  
10  
s  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
Read Cycle Time  
tAA  
Address to Data Valid  
Data Hold from Address Change  
CE LOW to Data Valid  
OE LOW to Data Valid  
OE LOW to Low Z [10]  
OE HIGH to High Z [10, 11]  
CE LOW to Low Z [10]  
CE HIGH to High Z [10, 11]  
CE LOW to Power-Up  
CE HIGH to Power-Down  
Byte Enable to Data Valid  
Byte Enable to Low Z  
Byte Disable to High Z  
10  
tOHA  
tACE  
tDOE  
tLZOE  
tHZOE  
tLZCE  
tHZCE  
tPU  
3
10  
5
0
5
3
5
0
tPD  
10  
5
tDBE  
tLZBE  
tHZBE  
0
5
Write Cycle [12, 13]  
tWC  
tSCE  
tAW  
Write Cycle Time  
10  
7
7
0
0
7
6
0
3
7
5
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
CE LOW to Write End  
Address Setup to Write End  
Address Hold from Write End  
Address Setup to Write Start  
WE Pulse Width  
tHA  
tSA  
tPWE  
tSD  
Data Setup to Write End  
Data Hold from Write End  
WE HIGH to Low Z [10]  
WE LOW to High Z [10, 11]  
Byte Enable to End of Write  
tHD  
tLZWE  
tHZWE  
tBW  
Notes  
8. Test conditions assume signal transition time of 3 ns or less, timing reference levels of 1.5 V, input pulse levels of 0 to 3.0 V, and output loading of the specified I /I  
OL OH  
and 30-pF load capacitance.  
t gives the minimum amount of time that the power supply should be at typical V values until the first memory access can be performed.  
POWER  
9.  
10. At any given temperature and voltage condition, t  
CC  
is less than t  
, t  
is less than t  
, and t  
is less than t  
for any given device.  
HZCE  
LZCE HZOE  
LZOE  
HZWE  
LZWE  
11. t  
, t  
, t  
, and t  
are specified with a load capacitance of 5 pF as in (c) of Figure 2 on page 5. Transition is measured when the outputs enter a high impedance  
HZOE HZBE HZCE  
HZWE  
state.  
12. The internal write time of the memory is defined by the overlap of CE LOW, WE LOW and BHE/BLE LOW. CE, WE and BHE/BLE must be LOW to initiate a write, and  
a LOW to HIGH transition on any of these signals can terminate the write. The input data setup and hold timing should be referenced to the leading edge of the signal  
that terminates the write.  
13. The minimum write cycle pulse width for the Write Cycle No. 3 (WE Controlled, OE LOW) should be equal to the sum of t and t  
.
SD  
HZWE  
Document Number: 38-05462 Rev. *O  
Page 7 of 17  
 
 
 
 
 
 
 
CY7C1021D  
Switching Waveforms  
Figure 4. Read Cycle No. 1 (Address Transition Controlled) [14, 15]  
tRC  
ADDRESS  
t
AA  
t
OHA  
DATA OUT  
PREVIOUS DATA VALID  
DATA VALID  
Figure 5. Read Cycle No. 2 (OE Controlled) [15, 16]  
ADDRESS  
CE  
t
RC  
t
ACE  
OE  
t
HZOE  
t
DOE  
t
LZOE  
BHE, BLE  
t
HZCE  
t
DBE  
t
LZBE  
t
HZBE  
HIGH  
IMPEDANCE  
HIGH IMPEDANCE  
DATA OUT  
DATA VALID  
t
LZCE  
t
PD  
ICC  
t
PU  
VCC  
SUPPLY  
CURRENT  
50%  
50%  
ISB  
Notes  
14. Device is continuously selected. OE, CE, BHE and/or BLE = V .  
IL  
15. WE is HIGH for read cycle.  
16. Address valid prior to or coincident with CE transition LOW.  
Document Number: 38-05462 Rev. *O  
Page 8 of 17  
 
 
 
CY7C1021D  
Switching Waveforms (continued)  
Figure 6. Write Cycle No. 1 (CE Controlled) [17, 18]  
t
WC  
ADDRESS  
CE  
t
SA  
t
SCE  
t
AW  
t
HA  
t
PWE  
WE  
t
BW  
BHE, BLE  
t
t
SD  
HD  
Data Valid  
DATA I/O  
Figure 7. Write Cycle No. 2 (BLE or BHE Controlled)  
t
WC  
ADDRESS  
BHE, BLE  
t
SA  
t
BW  
t
AW  
t
HA  
t
PWE  
WE  
CE  
t
SCE  
t
t
SD  
HD  
Data Valid  
DATA I/O  
Notes  
17. Data I/O is high impedance if OE or BHE and/or BLE = V  
.
IH  
18. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high impedance state.  
Document Number: 38-05462 Rev. *O  
Page 9 of 17  
 
 
 
CY7C1021D  
Switching Waveforms (continued)  
Figure 8. Write Cycle No. 3 (WE Controlled, OE LOW)  
t
WC  
ADDRESS  
CE  
t
SCE  
t
AW  
t
HA  
t
SA  
t
PWE  
WE  
t
BW  
BHE, BLE  
t
HZWE  
t
t
SD  
HD  
Data Valid  
DATA I/O  
t
LZWE  
Truth Table  
CE  
H
OE  
X
WE  
X
BLE BHE  
I/O0–I/O7  
High Z  
I/O8–I/O15  
High Z  
Mode  
Power  
X
L
X
L
Power Down  
Standby (ISB  
Active (ICC  
Active (ICC  
Active (ICC  
Active (ICC  
Active (ICC  
Active (ICC  
)
L
L
H
Data Out  
Data Out  
High Z  
Data Out  
High Z  
Read – All bits  
)
L
H
L
Read – Lower bits only  
Read – Upper bits only  
Write – All bits  
)
H
L
Data Out  
Data In  
High Z  
)
L
X
L
L
Data In  
Data In  
High Z  
)
L
H
L
Write – Lower bits only  
Write – Upper bits only  
)
H
X
H
Data In  
High Z  
)
L
L
H
X
H
X
X
H
High Z  
Selected, Outputs Disabled Active (ICC  
)
High Z  
High Z  
Selected, Outputs Disabled Active (ICC)  
Document Number: 38-05462 Rev. *O  
Page 10 of 17  
 
CY7C1021D  
Ordering Information  
Speed  
Package  
Diagram  
Operating  
Range  
Ordering Code  
(ns)  
Package Type  
10  
CY7C1021D-10VXI  
CY7C1021D-10ZSXI  
CY7C1021D-10ZSXA  
51-85082 44-pin (400-Mil) Molded SOJ (Pb-free)  
51-85087 44-pin TSOP Type II (Pb-free)  
Industrial  
Automotive-A  
Shaded areas contain advance information. Contact your local Cypress sales representative for availability of these parts.  
Ordering Code Definitions  
CY 7  
C
1 02  
1
D - 10 XX  
X
X
Temperature Range: X = I or A  
I = Industrial; A = Automotive-A  
Pb-free  
Package Type: XX = V or ZS  
V = 44-pin Molded SOJ  
ZS = 44-pin TSOP Type II  
Speed: 10 ns  
D = C9, 90 nm Technology  
Data Width: 1 = × 16-bits  
Density: 02 = 1-Mbit density  
1 = Fast Asynchronous SRAM family  
Technology Code: C = CMOS  
Marketing Code: 7 = SRAM  
Company ID: CY = Cypress  
Document Number: 38-05462 Rev. *O  
Page 11 of 17  
 
 
CY7C1021D  
Package Diagrams  
Figure 9. 44-pin SOJ (400 Mils) V44.4 Package Outline, 51-85082  
51-85082 *E  
Document Number: 38-05462 Rev. *O  
Page 12 of 17  
 
CY7C1021D  
Package Diagrams (continued)  
Figure 10. 44-pin TSOP Z44-II Package Outline, 51-85087  
51-85087 *E  
Document Number: 38-05462 Rev. *O  
Page 13 of 17  
CY7C1021D  
Acronyms  
Document Conventions  
Units of Measure  
Acronym  
Description  
CE  
Chip Enable  
Symbol  
°C  
Unit of Measure  
CMOS  
I/O  
Complementary Metal Oxide Semiconductor  
Input/Output  
degree Celsius  
megahertz  
microampere  
microsecond  
milliampere  
millimeter  
millisecond  
nanosecond  
ohm  
MHz  
µA  
µs  
OE  
Output Enable  
SOJ  
SRAM  
TSOP  
TTL  
Small Outline J-lead  
Static Random Access Memory  
Thin Small Outline Package  
Transistor-Transistor Logic  
Write Enable  
mA  
mm  
ms  
ns  
WE  
%
percent  
pF  
V
picofarad  
volt  
W
watt  
Document Number: 38-05462 Rev. *O  
Page 14 of 17  
 
 
CY7C1021D  
Document History Page  
Document Title: CY7C1021D, 1-Mbit (64K × 16) Static RAM  
Document Number: 38-05462  
Orig. of  
Change  
Submission  
Date  
Rev.  
ECN No.  
Description of Change  
**  
201560  
233695  
SWI  
RKF  
See ECN Advance Information data sheet for C9 IPP  
*A  
See ECN DC parameters modified as per EROS (Spec # 01-02165)  
Pb-free Offering in the Ordering Information  
*B  
263769  
RKF  
See ECN Added Data Retention Characteristics Table  
Added Tpower Spec in Switching Characteristics Table  
Shaded Ordering Information  
*C  
*D  
307601  
520647  
RKF  
VKN  
See ECN Reduced Speed bins to –10 and –12 ns  
See ECN Changed status from Preliminary to Final.  
Removed Commercial Operating range  
Added ICC values for the frequencies 83MHz, 66MHz and 40MHz  
Updated Thermal Resistance table  
Added Automotive Product Information  
Updated Ordering Information Table  
Changed Overshoot spec from VCC+2V to VCC+1V in footnote #4  
*E  
*F  
802877  
VKN  
See ECN Changed Commercial operating range ICC spec from 60 mA to 80 mA for  
100MHz, 55 mA to 72 mA for 83MHz, 45 mA to 58 mA for 66MHz, 30 mA to  
37 mA for 40MHz  
Changed Automotive operating range ICC spec from 100 mA to 120 mA for  
83MHz, 90 mA to 100 mA for 66MHz, 60 mA to 63 mA for 40MHz  
2751755  
VKN /  
PYRS  
08/14/09  
For 12 ns speed, changed ICC spec from 120 mA to 90 mA  
For 12 ns speed, changed ISB1 spec from 50 mA to 10 mA and ISB2 spec from  
15 mA to 10 mA  
*G  
*H  
*I  
2898399  
3109897  
3245199  
AJU  
AJU  
03/24/2010 Updated Package Diagrams.  
12/14/2010 Added Ordering Code Definitions.  
PRAS  
04/30/2011 Dislodged Automotive information to new datasheet (001-68372).  
Removed the Note “Automotive Product Information is Preliminary.” in page 3.  
Added Acronyms and Units of Measure.  
Updated to new template.  
*J  
3086499  
AJU  
06/07/2011 Updated Functional Description (Removed “For best practice  
recommendations, refer to the Cypress application note AN1064, SRAM  
System Guidelines.”).  
*K  
3540685 TAVA / AJU 03/06/2012 Updated Features (Included Automotive-A Range information).  
Updated Selection Guide (Included Automotive-A Range information).  
Updated Operating Range (Included Automotive-A Range information).  
Updated Electrical Characteristics (Included Automotive-A Range  
information).  
Updated Switching Characteristics (Included Automotive-A Range  
information).  
Updated Ordering Information (included the part number  
CY7C1021D-10ZSXA).  
Updated Package Diagrams.  
*L  
3998493  
MEMJ  
05/13/2013 Replaced all instances of IO with I/O across the document.  
Updated Switching Characteristics:  
Updated Note 12.  
Updated Switching Waveforms:  
Updated Figure 6, Figure 7, Figure 8.  
Updated Package Diagrams:  
spec 51-85082 – Changed revision from *D to *E.  
spec 51-85087 – Changed revision from *D to *E.  
Completing Sunset Review.  
Document Number: 38-05462 Rev. *O  
Page 15 of 17  
CY7C1021D  
Document History Page (continued)  
Document Title: CY7C1021D, 1-Mbit (64K × 16) Static RAM  
Document Number: 38-05462  
Orig. of  
Change  
Submission  
Date  
Rev.  
ECN No.  
Description of Change  
*M  
4033925  
MEMJ  
06/19/2013 Updated Functional Description.  
Updated Electrical Characteristics:  
Added one more Test Condition “IOH = –0.1mA” for VOH parameter and added  
maximum value corresponding to that Test Condition.  
Added Note 3 and referred the same note in maximum value for VOH parameter  
corresponding to Test Condition “IOH = –0.1mA”.  
*N  
*O  
4573121  
5293980  
MEMJ  
VINI  
11/18/2014 Updated Functional Description:  
Added “For a complete list of related documentation, click here.” at the end.  
06/02/2016 Updated Switching Characteristics:  
Added Note 13 and referred the same note in “Write Cycle”.  
Updated to new template.  
Completing Sunset Review.  
Document Number: 38-05462 Rev. *O  
Page 16 of 17  
CY7C1021D  
Sales, Solutions, and Legal Information  
Worldwide Sales and Design Support  
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office  
closest to you, visit us at Cypress Locations.  
®
Products  
PSoC Solutions  
ARM® Cortex® Microcontrollers  
cypress.com/arm  
cypress.com/automotive  
cypress.com/clocks  
cypress.com/interface  
cypress.com/powerpsoc  
cypress.com/memory  
cypress.com/psoc  
PSoC 1 | PSoC 3 | PSoC 4 | PSoC 5LP  
Automotive  
Cypress Developer Community  
Clocks & Buffers  
Interface  
Forums | Projects | Video | Blogs | Training | Components  
Technical Support  
Lighting & Power Control  
Memory  
cypress.com/support  
PSoC  
Touch Sensing  
USB Controllers  
Wireless/RF  
cypress.com/touch  
cypress.com/usb  
cypress.com/wireless  
© Cypress Semiconductor Corporation, 2004-2016. This document is the property of Cypress Semiconductor Corporation and its subsidiaries, including Spansion LLC ("Cypress"). This document,  
including any software or firmware included or referenced in this document ("Software"), is owned by Cypress under the intellectual property laws and treaties of the United States and other countries  
worldwide. Cypress reserves all rights under such laws and treaties and does not, except as specifically stated in this paragraph, grant any license under its patents, copyrights, trademarks, or other  
intellectual property rights. If the Software is not accompanied by a license agreement and you do not otherwise have a written agreement with Cypress governing the use of the Software, then Cypress  
hereby grants you a personal, non-exclusive, nontransferable license (without the right to sublicense) (1) under its copyright rights in the Software (a) for Software provided in source code form, to  
modify and reproduce the Software solely for use with Cypress hardware products, only internally within your organization, and (b) to distribute the Software in binary code form externally to end users  
(either directly or indirectly through resellers and distributors), solely for use on Cypress hardware product units, and (2) under those claims of Cypress's patents that are infringed by the Software (as  
provided by Cypress, unmodified) to make, use, distribute, and import the Software solely for use with Cypress hardware products. Any other use, reproduction, modification, translation, or compilation  
of the Software is prohibited.  
TO THE EXTENT PERMITTED BY APPLICABLE LAW, CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS DOCUMENT OR ANY SOFTWARE  
OR ACCOMPANYING HARDWARE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. To the extent  
permitted by applicable law, Cypress reserves the right to make changes to this document without further notice. Cypress does not assume any liability arising out of the application or use of any  
product or circuit described in this document. Any information provided in this document, including any sample design information or programming code, is provided only for reference purposes. It is  
the responsibility of the user of this document to properly design, program, and test the functionality and safety of any application made of this information and any resulting product. Cypress products  
are not designed, intended, or authorized for use as critical components in systems designed or intended for the operation of weapons, weapons systems, nuclear installations, life-support devices or  
systems, other medical devices or systems (including resuscitation equipment and surgical implants), pollution control or hazardous substances management, or other uses where the failure of the  
device or system could cause personal injury, death, or property damage ("Unintended Uses"). A critical component is any component of a device or system whose failure to perform can be reasonably  
expected to cause the failure of the device or system, or to affect its safety or effectiveness. Cypress is not liable, in whole or in part, and you shall and hereby do release Cypress from any claim,  
damage, or other liability arising from or related to all Unintended Uses of Cypress products. You shall indemnify and hold Cypress harmless from and against all claims, costs, damages, and other  
liabilities, including claims for personal injury or death, arising from or related to any Unintended Uses of Cypress products.  
Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in the United  
States and other countries. For a more complete list of Cypress trademarks, visit cypress.com. Other names and brands may be claimed as property of their respective owners.  
Document Number: 38-05462 Rev. *O  
Revised June 2, 2016  
Page 17 of 17  

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