CY7C109B-20ZI Cypress Semiconductor Corp, CY7C109B-20ZI Datasheet - Page 4
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CY7C109B-20ZI
Manufacturer Part Number
CY7C109B-20ZI
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C109B-20ZI.pdf
(10 pages)
Specifications of CY7C109B-20ZI
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
-40C to 85C
Number Of Ports
1
Supply Current
75mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
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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