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STK12C68-CF45 Datasheet(PDF) 3 Page - Simtek Corporation

Part # STK12C68-CF45
Description  8Kx8 AutoStore nvSRAM
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Manufacturer  SIMTEK [Simtek Corporation]
Direct Link  http://www.simtek.com
Logo SIMTEK - Simtek Corporation

STK12C68-CF45 Datasheet(HTML) 3 Page - Simtek Corporation

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STK12C68 (SMD5962-94599)
February 2007
Document Control #ML0008 Rev 0.7
ABSOLUTE MAXIMUM RATINGSa
Voltage on Input Relative to Ground . . . . . . . . . . . . . –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)
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
Note a: Stresses greater than those listed under “Absolute Maximum Rat-
ings” may cause permanent damage to the device. This is a stress
rating only, and functional operation of the device at conditions
above those indicated in the operational sections of this specification
is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability.
DC CHARACTERISTICS
(VCC = 5.0V ± 10%)
e
Note b: ICC1 and ICC3 are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded.
Note c: ICC2 and ICC4 are the average currents required for the duration of the respective STORE cycles (tSTORE).
Note d: E
≥ VIH will not produce standby current levels until any nonvolatile cycle in progress has timed out.
Note e: VCC reference levels throughout this datasheet refer to VCCX if that is where the power supply connection is made, or VCAP if VCCX is connected to ground.
AC TEST CONDITIONS
CAPACITANCEf
(TA = 25°C, f = 1.0MHz)
Note f:
These parameters are guaranteed but not tested.
SYMBOL
PARAMETER
COMMERCIAL
INDUSTRIAL
MILITARY
UNITS
NOTES
MIN
MAX
MIN
MAX
ICC1
b
Average VCC Current
85
75
65
--
85
75
65
55
mA
mA
mA
mA
tAVAV = 25ns
tAVAV = 35ns
tAVAV = 45ns
tAVAV = 55ns
ICC2
c
Average VCC Current during STORE
3
3
mA
All Inputs Don’t Care, VCC = max
ICC3
b
Average VCC Current at tAVAV = 200ns
5V, 25°C, Typical
10
10
mA
W
≥ (V CC– 0.2V)
All Others Cycling, CMOS Levels
ICC4
c
Average VCAP Current during AutoStore
Cycle
2
2
mA
All Inputs Don’t Care
ISB1
d
Average VCC Current
(Standby, Cycling TTL Input Levels)
27
24
20
--
27
24
20
19
mA
mA
mA
mA
tAVAV = 25ns, E ≥ VIH
tAVAV = 35ns, E ≥ VIH
tAVAV = 45ns, E ≥ VIH
tAVAV = 55ns, E ≥ VIH
ISB2
d
VCC Standby Current
(Standby, Stable CMOS Input Levels)
1.5
2.5
mA
E
≥ (V CC– 0.2V)
All Others VIN ≤ 0.2V or ≥ (VCC – 0.2V)
IILK
Input Leakage Current
±1
±1
μA
VCC = max
VIN = VSS to VCC
IOLK
Off-State Output Leakage Current
±5
±5
μA
VCC = max
VIN = VSS to VCC, E or G ≥ VIH
VIH
Input Logic “1” Voltage
2.2
VCC + .5
2.2
VCC + .5
V
All Inputs
VIL
Input Logic “0” Voltage
VSS – .5
0.8
VSS – .5
0.8
V
All Inputs
VOH
Output Logic “1” Voltage
2.4
2.4
V
IOUT =– 4mA except HSB
VOL
Output Logic “0” Voltage
0.4
0.4
V
IOUT = 8mA except HSB
VBL
Logic “0” Voltage on HSB Output
0.4
0.4
V
IOUT = 3mA
TA
Operating Temperature
0
70
–40/-55
85/125
°C
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
PARAMETER
MAX
UNITS
CONDITIONS
CIN
Input Capacitance
8
pF
ΔV = 0 to 3V
COUT
Output Capacitance
7
pF
ΔV = 0 to 3V
Figure 1. AC Output Loading
480 Ohms
30 pF
255 Ohms
5.0V
INCLUDING
SCOPE AND
OUTPUT
FIXTURE


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