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
DATARData Retention 100 Years
NVCNonvolatile 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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