CY7C027-20AC Cypress Semiconductor Corp, CY7C027-20AC Datasheet - Page 8

no-image

CY7C027-20AC

Manufacturer Part Number
CY7C027-20AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C027-20AC

Density
512Kb
Access Time (max)
20ns
Sync/async
Asynchronous
Architecture
Not Required
Clock Freq (max)
Not RequiredMHz
Operating Supply Voltage (typ)
5V
Address Bus
15b
Package Type
TQFP
Operating Temp Range
0C to 70C
Number Of Ports
2
Supply Current
265mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Word Size
16b
Number Of Words
32K
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY7C027-20AC
Manufacturer:
CYPRESS
Quantity:
853
Part Number:
CY7C027-20AC
Manufacturer:
CYPRESS
Quantity:
10
Switching Characteristics
Data Retention Mode
The CY7C027/028 and CY7C037/038 are designed with battery
backup in mind. Data retention voltage and supply current are
guaranteed over temperature. The following rules ensure data
retention:
Document #: 38-06042 Rev. *D
t
t
t
t
t
t
1. Chip enable (CE) must be held HIGH during data retention,
2. CE must be kept between V
3. The RAM can begin operation >t
Notes
INS
INR
SOP
SWRD
SPS
SAA
21. t
22. CE = V
INTERRUPT TIMING
SEMAPHORE TIMING
Parameter
within V
the power up and power down transitions.
minimum operating voltage (4.5V).
BDD
is a calculated parameter and is the greater of t
CC
CC
, V
in
to V
= GND to V
INT Set Time
INT Reset Time
SEM Flag Update Pulse (OE or SEM)
SEM Flag Write to Read Time
SEM Flag Contention Window
SEM Address Access Time
CC
– 0.2V.
[20]
CC
, T
A
= 25°C. This parameter is guaranteed but not tested.
CC
– 0.2V and 70% of V
Description
RC
Over the Operating Range
after V
WDD
–t
PWE
CC
(actual) or t
reaches the
CC
DDD
during
–t
SD
(actual).
[14]
(continued)
Min
Timing
V
10
CE
ICC
5
5
CC
-12
Parameter
DR1
[1]
Max
12
12
12
4.5V
CY7C027/028
CY7C037/038
Min
10
5
5
At VCC
Data Retention Mode
Test Conditions
V
CC
-15
V
to V
CC
DR
Max
15
15
15
> 2.0V
CC
= 2V
– 0.2V
Min
10
[22]
5
5
4.5V
CY7C027/028
CY7C037/038
-20
Max
Max
1.5
20
20
20
V
t
IH
RC
Page 8 of 19
Unit
mA
Unit
ns
ns
ns
ns
ns
ns
[+] Feedback

Related parts for CY7C027-20AC