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 V
CC
Relative to GND ..........–0.5V to 7.0V
Voltage on Input Relative to Vss............ –0.6V to V
CC
+ 0.5V
Voltage on DQ
0-7
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
V
CC
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 (V
CC
= 4.5V to 5.5V)
[3]
Parameter
Description
Test Conditions
Min
Max
Unit
I
CC1
Average V
CC
Current
t
RC
= 25 ns
t
RC
= 45 ns
Dependent on output loading and cycle
rate. Values obtained without output loads.
I
OUT
= 0 mA.
Commercial
85
65
mA
mA
Industrial
90
65
mA
mA
I
CC2
Average V
CC
Current during
STORE
All Inputs Do Not Care, V
CC
= Max
Average current for duration t
STORE
3
mA
I
CC3
Average V
CC
Current at t
RC
=
200 ns, 5V, 25°C Typical
WE > (V
CC
– 0.2V). All other inputs cycling.
Dependent on output loading and cycle rate. Values
obtained without output loads.
10
mA
I
CC4
Average V
CAP
Current during
AutoStore Cycle
All Inputs Do Not Care, V
CC
= Max
Average current for duration t
STORE
2
mA
I
SB1
[4]
Average Vcc Current
(Standby, Cycling TTL Input
Levels)
t
RC
= 25 ns, CE > V
IH
t
RC
= 45 ns, CE > V
IH
Commercial
25
18
mA
mA
Industrial
26
19
mA
mA
I
SB2
[4]
V
CC
Standby Current
CE > (V
CC
– 0.2V). All others V
IN
< 0.2V or > (V
CC
– 0.2V).
Standby current level after nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
1.5
mA
I
ILK
Input Leakage Current
V
CC
= Max, V
SS
< V
IN
< V
CC
-1
+1
μ
A
I
OLK
Off State Output Leakage
Current
V
CC
= Max, V
SS
< V
IN
< V
CC
, CE or OE > V
IH
or WE < V
IL
-5
+5
μ
A
V
IH
Input HIGH Voltage
2.2
V
CC
+
0.5
V
V
IL
Input LOW Voltage
V
SS
– 0.5
0.8
V
V
OH
Output HIGH Voltage
I
OUT
= –4 mA except HSB
2.4
V
V
OL
Output LOW Voltage
I
OUT
= 8 mA except HSB
0.4
V
V
BL
Logic ‘0’ Voltage on HSB Output I
OUT
= 3 mA
0.4
V
V
CAP
Storage Capacitor
Between V
CAP
pin and Vss, 6V rated. 68 uF -10%, +20%
nom.
61
220
µF
Data Retention and Endurance
Parameter
Description
Min
Unit
DATA
R
Data Retention
100
Years
NV
C
Nonvolatile STORE Operations
1,000
K
Notes
3. V
CC
reference levels throughout this data sheet refer to VCC if that is where the power supply connection is made, or V
CAP
if VCC is connected to ground.
4. CE > V
IH
does not produce standby current levels until any nonvolatile cycle in progress has timed out.
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