STK22C48
Document Number: 001-51000 Rev. **
Page 6 of 14
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 VCC Relative to GND ..........–0.5V to 7.0V
Voltage on Input Relative to Vss............ –0.6V to VCC + 0.5V
Voltage on DQ0-7 or HSB .......................–0.5V to Vcc + 0.5V
Power Dissipation ......................................................... 1.0W
DC Output Current (1 output at a time, 1s duration).... 15 mA
Operating Range
Range
Ambient Temperature
VCC
Commercial
0
°C to +70°C
4.5V to 5.5V
Industrial
-40
°C to +85°C
4.5V to 5.5V
DC Electrical Characteristics
Over the operating range (VCC = 4.5V to 5.5V)
[3]
Parameter
Description
Test Conditions
Min
Max
Unit
ICC1
Average VCC Current
tRC = 25 ns
tRC = 45 ns
Dependent on output loading and cycle
rate. Values obtained without output loads.
IOUT = 0 mA.
Commercial
85
65
mA
mA
Industrial
90
65
mA
mA
ICC2
Average VCC Current during
STORE
All Inputs Do Not Care, VCC = Max
Average current for duration tSTORE
3mA
ICC3
Average VCC Current at tRC=
200 ns, 5V, 25°C Typical
WE > (VCC – 0.2V). All other inputs cycling.
Dependent on output loading and cycle rate. Values
obtained without output loads.
10
mA
ICC4
Average VCAP Current during
AutoStore Cycle
All Inputs Do Not Care, VCC = Max
Average current for duration tSTORE
2mA
ISB1
[4]
Average Vcc Current
(Standby, Cycling TTL Input
Levels)
tRC = 25 ns, CE > VIH
tRC = 45 ns, CE > VIH
Commercial
25
18
mA
mA
Industrial
26
19
mA
mA
ISB2
[4]
VCC Standby Current
CE > (VCC – 0.2V). All others VIN < 0.2V or > (VCC – 0.2V).
Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
1.5
mA
IILK
Input Leakage Current
VCC = Max, VSS < VIN < VCC
-1
+1
μA
IOLK
Off State Output Leakage
Current
VCC = Max, VSS < VIN < VCC, CE or OE > VIH or WE < VIL
-5
+5
μA
VIH
Input HIGH Voltage
2.2
VCC +
0.5
V
VIL
Input LOW Voltage
VSS – 0.5
0.8
V
VOH
Output HIGH Voltage
IOUT = –4 mA except HSB
2.4
V
VOL
Output LOW Voltage
IOUT = 8 mA except HSB
0.4
V
VBL
Logic ‘0’ Voltage on HSB Output IOUT = 3 mA
0.4
V
VCAP
Storage Capacitor
Between VCAP pin and Vss, 6V rated. 68 uF -10%, +20%
nom.
61
220
µF
Data Retention and Endurance
Parameter
Description
Min
Unit
DATAR
Data Retention
100
Years
NVC
Nonvolatile STORE Operations
1,000
K
Notes
3. VCC reference levels throughout this data sheet refer to VCC if that is where the power supply connection is made, or VCAP if VCC is connected to ground.
4. CE > VIH does not produce standby current levels until any nonvolatile cycle in progress has timed out.
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