STK25C48-W25 Cypress Semiconductor Corp, STK25C48-W25 Datasheet - Page 2

• Manufacturer Part Number: STK25C48-W25
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK25C48-W25

• Word Size: 8b
• Organization: 2Kx8
• Density: 16Kb
• Interface Type: Parallel
• Access Time (max): 25ns
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: 0C to 70C
• Pin Count: 24
• Mounting: Through Hole
• Supply Current: 85mA
• Lead Free Status / RoHS Status: Not Compliant

March 2006
STK25C48
ABSOLUTE MAXIMUM RATINGS
Voltage on Input Relative to Ground . . . . . . . . . . . . . .–0.5V to 7.0V
Voltage on Input Relative to V
Voltage on DQ
Temperature under Bias . . . . . . . . . . . . . . . . . . . . . –55°C to 125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
DC Output Current (1 output at a time, 1s duration) . . . . . . . . 15mA
DC CHARACTERISTICS
Note b: I
Note c: I
Note d: E ≥ V
AC TEST CONDITIONS
CAPACITANCE
Note e: These parameters are guaranteed but not tested.
Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 3V
Input Rise and Fall Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤ 5ns
Input and Output Timing Reference Levels . . . . . . . . . . . . . . . 1.5V
Output Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Figure 1
SYMBOL
SYMBOL
I
I
I
I
I
I
I
I
V
V
V
V
T
C
C
CC 1
CC 2
CC 3
CC 4
SB 1
SB 2
ILK
OLK
A
IH
IL
OH
OL
IN
OUT
d
d
b
c
b
c
CC 1
CC 2
and I
and I
Average V
Average V
Average V
5V, 25°C, Typical
Average V
AutoStore™ Cycle
Average V
(Standby, Cycling TTL Input Levels)
V
(Standby, Stable CMOS Input Levels)
Input Leakage Current
Off-State Output Leakage Current
Input Logic “1” Voltage
Input Logic “0” Voltage
Output Logic “1” Voltage
Output Logic “0” Voltage
Operating Temperature
IH
0-7
CC
Input Capacitance
Output Capacitance
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
. . . . . . . . . . . . . . . . . . . . . . –0.5V to (V
PARAMETER
Standby Current
CC 3
CC 4
are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded.
are the average currents required for the duration of the respective
CC
CC
CC
CAP
CC
PARAMETER
e
Current
Current during STORE
Current at t
Current
Current during
SS
. . . . . . . . . . –0.6V to (V
(T
AVAV
A
MAX
= 25°C, f = 1.0MHz)
8
7
= 200ns
UNITS
pF
pF
V
SS
MIN
COMMERCIAL
2.2
2.4
a
CONDITIONS
0
ΔV = 0 to 3V
ΔV = 0 to 3V
– .5
CC
CC
+ 0.5V)
+ 0.5V)
V
CC
MAX
1.5
0.8
0.4
85
75
65
10
25
21
18
±1
±5
70
3
2
+ .5
Note a: Stresses greater than those listed under “Absolute Maximum
V
SS
MIN
–40
2.2
2.4
INDUSTRIAL
– .5
2Document Control # ML0005 rev 0.2
Ratings” may cause permanent damage to the device. This is a
stress rating only, and functional operation of the device at condi-
tions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rat-
ing conditions for extended periods may affect reliability.
OUTPUT
V
CC
MAX
1.5
0.8
0.4
90
75
65
10
26
22
19
±1
±5
85
3
2
STORE
+ .5
cycles (t
Figure 1: AC Output Loading
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
°C
V
V
V
V
255 Ohms
STORE
t
t
t
All Inputs Don’t Care, V
W ≥ (V
All Others Cycling, CMOS Levels
All Inputs Don’t Care
t
t
t
E ≥ (V
All Others V
V
V
V
V
All Inputs
All Inputs
I
I
AVAV
AVAV
AVAV
AVAV
AVAV
AVAV
OUT
OUT
CC
IN
CC
IN
) .
= V
= V
= max
= max
= – 4mA
= 8mA
= 25ns
= 35ns
= 45ns
= 25ns, E ≥ V
= 35ns, E ≥ V
= 45ns, E ≥ V
CC
(V
CC
SS
SS
– 0.2V)
– 0.2V)
to V
to V
CC
IN
≤ 0.2V or ≥ (V
CC
CC
NOTES
= 5.0V
5.0V
, E or G ≥ V
IH
IH
IH
480 Ohms
CC
30 pF
INCLUDING
SCOPE AND
FIXTURE
= max
CC
IH
±
– 0.2V)
10%)