STK12C68-SF25I Cypress Semiconductor Corp, STK12C68-SF25I Datasheet - Page 8

• Manufacturer Part Number: STK12C68-SF25I
• Description: STK12C68-SF25I
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK12C68-SF25I

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 64K (8K x 8)
• Speed: 25ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (8.69mm width)
• Word Size: 8b
• Organization: 8Kx8
• Density: 64Kb
• Interface Type: Parallel
• Access Time (max): 25ns
• Operating Supply Voltage (typ): 5V
• Package Type: SOIC
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temp Range: -40C to 85C
• Pin Count: 28
• Mounting: Surface Mount
• Supply Current: 85mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
Voltage on Input Relative to GND.....................–0.5V to 7.0V
Voltage on Input Relative to Vss............ –0.6V to V
DC Electrical Characteristics
Over the operating range (V
Notes
Document Number: 001-51027 Rev. *D
I
I
I
I
I
I
I
I
I
V
V
V
V
V
V
Parameter
4. V
5. CE > V
CC1
CC2
CC3
CC4
SB1
SB2
IX
IX
OZ
IH
IL
OH
OL
BL
CAP
[5]
CC
[5]
reference levels throughout this data sheet refer to VCC if that is where the power supply connection is made, or V
IH
does not produce standby current levels until any nonvolatile cycle in progress has timed out.
Average V
Average V
during STORE
Average V
t
Typical
Average V
during AutoStore Cycle
V
(Standby, Cycling TTL
Input Levels)
V
Input Leakage Current V
Input Leakage Current V
Off State Output
Leakage Current
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage
Output LOW Voltage
Logic ‘0’ Voltage on
HSB Output
Storage Capacitor
RC
CC
CC
= 200 ns, 5V, 25°C
Standby Current
Standby Current
Description
CC
CC
CC
CAP
Current at
Current
Current
CC
Current
= 4.5V to 5.5V)
t
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
t
CE > (V
(V
nonvolatile cycle is complete.
Inputs are static. f = 0 MHz.
V
I
I
I
Between Vcap pin and Vss, 6V rated. 68 µF +20% nom.
RC
RC
RC
OUT
RC
RC
RC
OUT
OUT
OUT
CC
CC
CC
CC
= 25 ns
= 35 ns
= 45 ns
= 25 ns, CE > V
= 35 ns, CE > V
= 45 ns, CE > V
= Max, V
= Max, V
= Max, V
= 0 mA.
= –4 mA
= 8 mA
= 3 mA
– 0.2V). Standby current level after
CC
CC
[4]
– 0.2V). All others V
– 0.2V). All other inputs cycling.
CC
SS
SS
SS
+ 0.5V
< V
< V
< V
IH
IH
IH
IN
IN
IN
< V
< V
< V
Test Conditions
CC
CC
CC
CC
CC
= Max
= Max
, CE or OE > V
STORE
STORE
Voltage on DQ
Power Dissipation.......................................................... 1.0W
DC output Current (1 output at a time, 1s duration) .... 15 mA
Operating Range
Commercial
Industrial
IN
< 0.2V or >
Range
IH
0-7
or WE < V
Commercial
Industrial
Ambient Temperature
or HSB .......................–0.5V to Vcc + 0.5V
-40°C to +85°C
0°C to +70°C
IL
CAP
if VCC is connected to ground.
V
SS
Min
2.2
2.4
54
-1
-1
-5
– 0.5
STK12C68
4.5V to 5.5V
4.5V to 5.5V
V
Max
260
1.5
2.5
CC
0.5
0.8
0.4
0.4
85
75
65
10
27
24
20
+1
+1
+5
3
2
Page 8 of 23
V
+
CC
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
μA
µF
V
V
V
V
V
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