STK14C88-3WF45 Cypress Semiconductor Corp, STK14C88-3WF45 Datasheet - Page 8

• Manufacturer Part Number: STK14C88-3WF45
• Description: IC NVSRAM 256KBIT 45NS 32DIP
• Manufacturer: Cypress Semiconductor Corp
• Type: NVSRAMr

Specifications of STK14C88-3WF45

• Format - Memory: RAM
• Memory Type: NVSRAM (Non-Volatile SRAM)
• Memory Size: 256K (32K x 8)
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-DIP (0.600", 15.24mm)
• Word Size: 8b
• Organization: 32Kx8
• Density: 256Kb
• Interface Type: Parallel
• Access Time (max): 45ns
• Operating Supply Voltage (typ): 3.3V
• Package Type: PDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: 0C to 70C
• Pin Count: 32
• Mounting: Through Hole
• Supply Current: 42mA
• 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
Supply Voltage on V
Voltage on Input Relative to Vss............ –0.6V to V
DC Electrical Characteristics
Over the operating range (V
Notes
Document Number: 001-50592 Rev. *A
I
I
I
I
I
I
I
I
V
V
V
V
V
V
6. V
7. CE > V
CC1
CC2
CC3
CC4
SB1
SB2
IX
OZ
IH
IL
OH
OL
BL
CAP
Parameter
[7]
[7]
CC
reference levels throughout this data sheet refer to V
IH
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
Average V
Average V
during STORE
Average V
at t
25°C Typical
Average V
during AutoStore
Cycle
Average V
(Standby, Cycling TTL
Input Levels)
V
(Standby, Stable
CMOS Input Levels)
Input Leakage Current V
Off State Output
Leakage Current
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage I
Output LOW Voltage
Logic ‘0’ Voltage on
HSB output
Storage Capacitor
CC
RC
CC
Description
Standby Current
= 200 ns, 5V,
Relative to GND ..........–0.5V to 7.0V
CAP
CC
CC
CC
CC
CC
Current t
Current
Current
Current
Current
= 3.0V to 3.6V)
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
CE > (V
V
I
I
Between V
RC
RC
OUT
RC
RC
OUT
OUT
OUT
CC
CC
=35ns, CE > V
=45ns, CE > V
= 35 ns
= 45 ns
= Max, V
= Max, V
= 0 mA.
= –4 mA except HSB
= 8 mA except HSB
= 3 mA
[6]
CC
CC
CC
CAP
– 0.2V). All others V
CC
if that is where the power supply connection is made, or V
– 0.2V). All other inputs cycling.
SS
SS
+ 0.5V
pin and Vss, 68 to 220uF +20%, 4.7V rated.
< V
< V
IH
IH
IN
IN
< V
< V
CC
CC
CC
CC
Test Conditions
= Max
= Max
Voltage on DQ
Power Dissipation ......................................................... 1.0W
DC output Current (1 output at a time, 1s duration) .... 15 mA
Operating Range
, CE or OE > V
Commercial
Industrial
STORE
STORE
IN
Range
< 0.2V or > (V
0-7
IH
Ambient Temperature
or WE < V
or HSB .......................–0.5V to Vcc + 0.5V
CC
-40°C to +85°C
0°C to +70°C
– 0.2V).
Commercial
Industrial
Commercial
Industrial
IL
CAP
if V
CC
is connected to ground.
V
STK14C88-3
Min
2.2
0.5
2.4
SS
54
-1
-1
3.0V to 3.6V
3.0V to 3.6V
–
V
CC
V
Page 8 of 17
Max
264
CC
0.5
0.8
0.4
0.4
50
42
52
44
18
16
19
17
+1
+1
3
9
2
1
+
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
uF
V
V
V
V
V
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