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CY7C1399BN-15ZXI

P1-P3P4-P6P7-P8
CY7C1399BN
Document #: 001-06490 Rev. *C Page 4 of 8
Data Retention Characteristics (Over the Operating Range - L version only)
Parameter Description Conditions Min. Max. Unit
V
DR
V
CC
for Data Retention 2.0 V
I
CCDR
Data Retention Current V
CC
= V
DR
= 2.0V,
CE
> V
CC
– 0.3V,
V
IN
> V
CC
– 0.3V or
V
IN
< 0.3V
0 20 A
t
CDR
Chip Deselect to Data
Retention Time
0 ns
t
R
Operation Recovery Time t
RC
ns
Data Retention Waveform
3.0V3.0V
t
CDR
V
DR
2V
DATA RETENTION MODE
t
R
CE
V
CC
Switching Waveforms
Read Cycle No. 1
[10, 11]
Read Cycle No. 2
[11, 12]
Notes:
10.Device is continuously selected. OE
, CE = V
IL
.
11. WE
is HIGH for read cycle.
12.Address valid prior to or coincident with CE
transition LOW.
ADDRESS
DATA OUT PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
DATA OUT
HIGH IMPEDANCE
IMPEDANCE
ICC
ISB
t
HZOE
t
HZCE
t
PD
OE
CE
HIGH
V
CC
SUPPLY
CURRENT
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CY7C1399BN
Document #: 001-06490 Rev. *C Page 5 of 8
Write Cycle No. 1 (WE Controlled)
[8, 13, 14]
Write Cycle No. 2 (CE Controlled)
[8, 13, 14]
Write Cycle No. 3 (WE Controlled, OE LOW)
[9, 14]
Notes:
13.Data I/O is high impedance if OE
= V
IH
.
14. If CE
goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
15.During this period, the I/Os are in the output state and input signals should not be applied.
Switching Waveforms (continued)
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
WC
DATA I/O
ADDRESS
CE
WE
OE
t
HZOE
DATA
IN
VALID
NOTE 15
t
WC
t
AW
t
SA
t
HA
t
HD
t
SD
t
SCE
WE
DATA I/O
ADDRESS
CE
DATA
IN
VALID
DATA I/O
ADDRESS
t
HD
t
SD
t
LZWE
t
SA
t
HA
t
AW
t
WC
CE
WE
t
HZWE
DATA
IN
VALID
NOTE 15
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CY7C1399BN
Document #: 001-06490 Rev. *C Page 6 of 8
Ordering Code Definitions
Truth Table
CE WE OE Input/Output Mode Power
H X X High Z Deselect/Power-Down Standby (I
SB
)
L H L Data Out Read Active (I
CC
)
L L X Data In Write Active (I
CC
)
L H H High Z Deselect, Output Disabled Active (I
CC
)
Ordering Information
Cypress offers other versions of this type of product in many different configurations and features. The following table contains
only the list of parts that are currently available.
For a complete listing of all options, visit the Cypress website at www.cypress.com and refer to the product summary page at
http://www.cypress.com/products or contact your local sales representative.
Cypress maintains a worldwide network of offices, solution centers, manufacturer's representatives and distributors. To find the
office closest to you, visit us at http://www.cypress.com/go/datasheet/offices.
Speed
(ns) Ordering Code
Package
Diagram Package Type
Operating
Range
12 CY7C1399BN-12VXC 51-85031 28-Lead Molded SOJ (Pb-free) Commercial
CY7C1399BN-12ZXC 51-85071 28-Lead TSOP I (Pb-free)
CY7C1399BNL-12ZXC 28-Lead TSOP I (Pb-free)
CY7C1399BN-12VXI 51-85031 28-Lead Molded SOJ (Pb-free) Industrial
15 CY7C1399BN-15ZXI 51-85071 28-Lead TSOP I (Pb-free) Industrial
CY7C1399BN-15VXA 51-85031 28-Lead Molded SOJ (Pb-free) Automotive-A
Please contact local sales representative regarding availability of these parts.
Temperature Range:
A = Automotive-A
C = Commercial
I = Industrial
Package Type:
V = Molded SOJ
Z = TSOP I
X = Pb-free
Access time in ns
L = Low power
Process Technology
BN = 0.25 µm
399 = 256-Kb density with data width × 8 bits
1 = Fast Asynchronous SRAM family
Technology Code: C = CMOS
7 = SRAM
CY = Cypress
CY 1 - CV##7399C XLBN
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P1-P3P4-P6P7-P8

CY7C1399BN-15ZXI

Mfr. #:
Buy CY7C1399BN-15ZXI
Manufacturer:
Cypress Semiconductor
Description:
SRAM 256Kb 3.3V 15ns 32K x 8 SRAM
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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