CY7C1399 CYPRESS [Cypress Semiconductor], CY7C1399 Datasheet - Page 5

• Manufacturer Part Number: CY7C1399
• Description: 32K x 8 3.3V Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Data Retention Waveform
Switching Waveforms
Read Cycle No. 2
Read Cycle No. 1
Notes:
10. Device is continuously selected. OE, CE = V
11. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
CURRENT
ADDRESS
SUPPLY
V
CE
CC
V
CE
OE
CC
[11, 12]
[10, 11]
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
5
t
V
RC
DR
2V
DATA VALID
DATA VALID
3.0V
t
R
t
t
HZOE
HZCE
t
PD
50%
CY7C1399
IMPEDANCE
HIGH
C1399–5
C1399–6
C1399–7
ICC
ISB