CY7C1399B-12ZC Cypress Semiconductor Corp, CY7C1399B-12ZC Datasheet - Page 6

• Manufacturer Part Number: CY7C1399B-12ZC
• Description: IC SRAM 256KBIT 12NS 28TSOP
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1399B-12ZC

• 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-TSOP I
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 428-1049

Data Retention Waveform
Switching Waveforms
Document #: 38-05071 Rev. *B
Read Cycle No. 2
Read Cycle No. 1
Notes:
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
11. Device is continuously selected. OE, CE = V
DATA OUT
DATA OUT
CURRENT
ADDRESS
SUPPLY
V
CE
CC
V
OE
CE
CC
[12, 13]
[11, 12]
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
t
LZCE
t
t
ACE
LZOE
IL
.
t
t
OHA
50%
CDR
t
DOE
3.0V
t
AA
t
RC
DATA RETENTION MODE
t
V
RC
DR
2V
DATA VALID
DATA VALID
3.0V
t
R
t
t
HZOE
HZCE
t
PD
50%
CY7C1399B
IMPEDANCE
Page 6 of 10
HIGH
ICC
ISB