CY7C109B-20ZCT Cypress Semiconductor Corp, CY7C109B-20ZCT Datasheet - Page 4

• Manufacturer Part Number: CY7C109B-20ZCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C109B-20ZCT

• Density: 1Mb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 17b
• Package Type: TSOP-I
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 75mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Word Size: 8b
• Number Of Words: 128K
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-05038 Rev. *C
Data Retention Characteristics
Data Retention Waveform
Switching Waveforms
Read Cycle No. 1
Read Cycle No. 2 (OE Controlled)
Notes:
10. Device is continuously selected. OE, CE
11. WE is HIGH for read cycle.
12. Address valid prior to or coincident with CE
V
I
t
t
Parameter
CCDR
CDR
R
DR
DATA OUT
DATA OUT
ADDRESS
CURRENT
ADDRESS
SUPPLY
V
CE
CE
V
CE
OE
CC
CC
1
2
V
Data Retention Current
Chip Deselect to Data Retention Time
Operation Recovery Time
CC
[10, 11]
for Data Retention
PREVIOUS DATA VALID
HIGH IMPEDANCE
t
PU
Description
t
LZCE
1
[11, 12]
= V
1
t
t
LZOE
ACE
transition LOW and CE
IL
, CE
Over the Operating Range (Low Power version only)
t
OHA
50%
t
t
CDR
DOE
2
4.5V
= V
IH
.
t
AA
2
transition HIGH.
t
RC
No input may exceed V
V
CE
V
DATA RETENTION MODE
CC
IN
1
> V
= V
> V
t
RC
V
CC
DR
CC
DR
– 0.3V or V
>
= 2.0V,
– 0.3V or CE
2V
Conditions
DATA VALID
IN
CC
2
< 0.3V
< 0.3V,
+ 0.5V
t
DATA VALID
HZOE
4.5V
t
R
t
HZCE
Min.
200
2.0
t
PD
0
CY7C1009B
50%
CY7C109B
Max.
150
IMPEDANCE
Page 4 of 10
HIGH
Unit
µA
ns
µs
V
I
I
CC
SB
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