CY7C025-15JC Cypress Semiconductor Corp, CY7C025-15JC Datasheet - Page 8

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CY7C025-15JC

Manufacturer Part Number
CY7C025-15JC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet

Specifications of CY7C025-15JC

Density
128Kb
Access Time (max)
25ns
Operating Supply Voltage (typ)
5V
Package Type
LCC
Operating Temp Range
0C to 70C
Supply Current
300mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
84
Word Size
16b
Lead Free Status / Rohs Status
Not Compliant
Switching Characteristics
Data Retention Mode
The CY7C024/0241 is designed with battery backup in mind.
Data retention voltage and supply current are guaranteed over
temperature. The following rules insure data retention:
1. Chip enable (CE) must be held HIGH during data retention, with-
2. CE must be kept between V
3. The RAM can begin operation >t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes:
15. Test conditions used are Load 2.
16. t
BLA
BHA
BLC
BHC
PS
WB
WH
BDD
INS
INR
SOP
SWRD
SPS
SAA
Parameter
BUSY TIMING
INTERRUPT TIMING
SEMAPHORE TIMING
in V
during the power-up and power-down transitions.
minimum operating voltage (4.5 volts).
[16]
BDD
CC
is a calculated parameter and is the greater of t
to V
CC
BUSY LOW from Address
Match
BUSY HIGH from Address
Mismatch
BUSY LOW from CE LOW
BUSY HIGH from CE HIGH
Port Set-Up for Priority
R/W HIGH after BUSY
(Slave)
R/W HIGH after BUSY
HIGH (Slave)
BUSY HIGH to Data Valid
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
– 0.2V.
[15]
[15]
Description
CC
– 0.2V and 70% of V
Over the Operating Range
RC
after V
WDD
CC
–t
PWE
7C024/0241–15
7C025/0251–15
reaches the
Min.
13
10
5
0
5
5
(actual) or t
CC
Max.
Note
DDD
15
15
15
15
16
15
15
15
[9]
–t
(continued)
SD
8
(actual).
7C024/0241–25
7C025/0251–25
Timing
V
Min.
CE
ICC
Note:
17. CE = V
CC
20
12
10
10
5
0
Parameter
DR1
tested.
Max.
Note
CC
20
20
20
20
16
20
20
25
, V
in
= GND to V
7C024/0241–35
7C025/0251–35
4.5V
Min.
@ VCC
30
15
10
10
Data Retention Mode
5
0
Test Conditions
V
CC
CC
V
to V
, T
CC
A
DR
Max.
Note
= 25 C. This parameter is guaranteed but not
CC
20
20
20
20
16
25
25
35
2.0V
= 2V
– 0.2V
CY7C024/0241
CY7C025/0251
7C024/0241–55
7C025/0251–55
Min.
[17]
4.5V
40
20
15
15
5
0
Max.
Max.
1.5
Note
45
40
40
35
16
30
30
55
V
t
IH
7C024–13
RC
Unit
Unit
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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