CY7C1399B-20ZC Cypress Semiconductor Corp, CY7C1399B-20ZC Datasheet - Page 6

• Manufacturer Part Number: CY7C1399B-20ZC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1399B-20ZC

• Density: 256Kb
• Access Time (max): 20ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP
• Operating Temp Range: 0C to 70C
• Supply Current: 45mA
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Word Size: 8b
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05071 Rev. *D
Data Retention Waveform
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2
Notes:
11. Device is continuously selected. OE, CE = V
12. WE is HIGH for read cycle.
13. Address valid prior to or coincident with CE transition LOW.
DATA OUT
DATA OUT
CURRENT
ADDRESS
SUPPLY
V
CE
V
CC
OE
CE
CC
[11, 12]
[12, 13]
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
CY7C1399B
50%
IMPEDANCE
Page 6 of 10
HIGH
ICC
ISB
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