CY7C1399B-12VXCT Cypress Semiconductor Corp, CY7C1399B-12VXCT Datasheet - Page 7
![IC SRAM 256KBIT 12NS 28SOJ](/photos/7/9/70998/428-28-soj_sml.jpg)
CY7C1399B-12VXCT
Manufacturer Part Number
CY7C1399B-12VXCT
Description
IC SRAM 256KBIT 12NS 28SOJ
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C1399B-12VXC.pdf
(10 pages)
Specifications of CY7C1399B-12VXCT
Format - Memory
RAM
Memory Type
SRAM - Asynchronous
Memory Size
256K (32K x 8)
Speed
12ns
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOJ
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Document #: 38-05071 Rev. *D
Switching Waveforms
Write Cycle No. 1 (WE Controlled)
Write Cycle No. 2 (CE Controlled)
Write Cycle No. 3 (WE Controlled, OE LOW)
Notes:
14. Data I/O is high impedance if OE = V
15. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
16. During this period, the I/Os are in the output state and input signals should not be applied.
ADDRESS
ADDRESS
ADDRESS
DATA I/O
DATA I/O
DATA I/O
CE
WE
WE
WE
CE
OE
CE
NOTE 16
NOTE 16
t
SA
(continued)
t
IH
SA
t
.
HZOE
t
HZWE
[9, 14, 15]
[9, 14, 15]
t
SA
[10, 15]
t
AW
t
t
AW
AW
t
WC
t
t
WC
WC
DATA
t
PWE
t
SD
DATA
DATA
IN
t
SCE
t
SD
t
VALID
SD
IN
IN
VALID
VALID
t
HD
t
t
t
HA
HA
LZWE
t
HA
t
t
HD
HD
CY7C1399B
Page 7 of 10