WS256K32 Ver la hoja de datos (PDF) - Unspecified
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WS256K32 Datasheet PDF : 7 Pages
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WS256K32-XXX
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Operating Temperature
TA
-55
Storage Temperature
TSTG
-65
Signal Voltage Relative to GND VG
-0.5
Junction Temperature
TJ
Supply Voltage
VCC
-0.5
Max Unit
+125
°C
+150
°C
Vcc+0.5 V
150
°C
7.0
V
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp (Mil)
Symbol
VCC
VIH
VIL
TA
Min
Max
Unit
4.5
5.5
V
2.2
VCC + 0.3
V
-0.5
+0.8
V
-55
+125
°C
TRUTH TABLE
CS
OE
WE
Mode
Data I/O
Power
H
X
X
Standby
High Z
Standby
L
L
H
Read
Data Out
Active
L
H
H Out Disable
High Z
Active
L
X
L
Write
Data In
Active
CAPACITANCE
(TA = +25°C)
Parameter
Symbol
Conditions
OE capacitance
COE VIN = 0 V, f = 1.0 MHz
WE1-2 capacitance
HIP (PGA)
CQFP G4
CS1-2 capacitance
CWE VIN = 0 V, f = 1.0 MHz
CCS VIN = 0 V, f = 1.0 MHz
Data I/O capacitance
CI/O VI/O = 0 V, f = 1.0 MHz
Address input capacitance CAD VIN = 0 V, f = 1.0 MHz
This parameter is guaranteed by design but not tested.
Max
28
20
28
20
20
28
Unit
pF
pF
pF
pF
pF
DC CHARACTERISTICS
(VCC = 5.0V, GND = 0V, TA = -55°C to +125°C)
Parameter
Symbol
Conditions
Min
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
Output Leakage Current
ILO
CS = VIH, OE = VIH, VOUT = GND to VCC
Operating Supply Current x 32 Mode
ICC x 32
CS = VIL, OE = VIH, f = 5MHz, Vcc = 5.5
Standby Current
ISB
CS = VIH, OE = VIH, f = 5MHz, Vcc = 5.5
Output Low Voltage
VOL
IOL = 8mA, Vcc = 4.5
Output High Voltage
VOH
IOH = -4.0mA, Vcc = 4.5
2.4
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
Parameter
Data Retention Supply Voltage
Data Retention Current
LOW POWER DATA RETENTION CHARACTERISTICS
(WS256K32L-XXX ONLY)
(TA = -55°C to +125°C)
Symbol
VDR
ICCDR3
Conditions
CS ≥ VCC -0.2V
VCC = 3V
Min
Typ
2.0
1.0
Units
Max
10
µA
10
µA
550
mA
34
mA
0.4
V
V
Units
Max
5.5
V
16
mA
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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