STK22C48-NF45 Cypress Semiconductor Corp, STK22C48-NF45 Datasheet - Page 7

• Manufacturer Part Number: STK22C48-NF45
• Description: STK22C48-NF45
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK22C48-NF45

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 16K (2K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (7.5mm Width)
• Word Size: 8b
• Organization: 2Kx8
• Density: 16Kb
• Interface Type: Parallel
• Access Time (max): 45ns
• Operating Supply Voltage (typ): 5V
• Package Type: SOIC
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Surface Mount
• Supply Current: 65mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Notes
Maximum Ratings
Exceeding maximum ratings may shorten the useful life of the
device. These user guidelines are not tested.
Storage temperature ................................ –65 °C to +150 °C
Temperature under bias............................ –55 °C to +125 °C
Supply voltage on V
Voltage on input relative to V
DC Electrical Characteristics
Over the operating range (V
Data Retention and Endurance
Document Number: 001-51000 Rev. *D
I
I
I
I
I
I
I
I
V
V
V
V
V
V
DATA
NV
3. V
4. CE > V
Parameter
CC1
CC2
CC3
CC4
SB1
SB2
ILK
OLK
IH
IL
OH
OL
BL
CAP
Parameter
C
[4]
[4]
CC
R
reference levels throughout this data sheet refer to V
IH
does not produce standby current levels until any nonvolatile cycle in progress has timed out.
Average V
Average V
STORE
Average V
t
Average V
AutoStore cycle
Average Vcc current
(Standby, cycling TTL input
levels)
V
Input leakage current
Off state output leakage
current
Input HIGH voltage
Input LOW voltage
Output HIGH voltage
Output LOW voltage
Logic ‘0’ voltage on HSB output I
Storage capacitor
RC
CC
= 200 ns, 5 V, 25 °C typical
Data retention
Nonvolatile STORE operations
standby current
CC
Description
relative to V
CC
CC
CC
CAP
current
current during
current at
current during
CC
SS
= 4.5 V to 5.5 V)
........... –0.6 V to V
SS
............–0.5 V to 7.0 V
V
Between V
t
t
Dependent on output loading and cycle rate.
Values obtained without output loads.
I
All inputs Do Not Care, V
Average current for duration t
WE > (V
Dependent on output loading and cycle rate. Values obtained
without output loads.
All inputs Do Not Care, V
Average current for duration t
t
t
CE > (V
Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
V
I
I
nom.
RC
RC
OUT
RC
RC
OUT
OUT
OUT
CC
CC
CC
[3]
= 25 ns
= 45 ns
= 25 ns, CE > V
= 45 ns, CE > V
= Max, V
= Max, V
Description
= 0 mA.
= –4 mA except HSB
= 8 mA except HSB
= 3 mA
CC
if that is where the power supply connection is made, or V
CC
CC
+ 0.5 V
– 0.2 V). All others V
CAP
– 0.2 V). All other inputs cycling.
SS
SS
pin and Vss, 6 V rated. 68 µF –10%, +20%
< V
< V
IH
IH
IN
IN
Test Conditions
< V
< V
Voltage on DQ
Power dissipation ........................................................ 1.0 W
DC output current (1 output at a time, 1 s duration) .... 15 mA
Operating Range
Commercial
Industrial
CC
CC
CC
CC
Range
= Max
= Max
, CE or OE > V
STORE
STORE
IN
< 0.2 V or > (V
0-7
Ambient Temperature
or HSB .....................–0.5 V to Vcc + 0.5 V
IH
–40 °C to +85 °C
0 °C to +70 °C
or WE < V
Commercial
Industrial
Commercial
Industrial
CC
– 0.2 V).
CAP
if V
IL
CC
1,000
Min
100
is connected to ground.
V
SS
Min
2.2
2.4
–1
–5
61
–
–
–
–
–
–
–
–
–
–
– 0.5
STK22C48
4.5 V to 5.5 V
4.5 V to 5.5 V
V
CC
Max
Page 7 of 17
V
220
1.5
0.8
0.4
0.4
85
65
90
65
10
25
18
26
19
+1
+5
3
2
–
Years
CC
+ 0.5
Unit
K
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
µF
V
V
V
V
V
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