WE256K8-150CC Просмотр технического описания (PDF) - White Electronic Designs => Micro Semi
Номер в каталоге
Компоненты Описание
производитель
WE256K8-150CC Datasheet PDF : 13 Pages
| |||
White Electronic Designs
WE512K8, WE256K8,
WE128K8-XCX
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating Temperature
Storage Temperature
Signal Voltage Any Pin
Voltage on OE# and A9
Thermal Resistance junction
to case
Lead Temperature
(soldering -10 secs)
Symbol
TA
TSTG
VG
θJC
-55 to +125
-65 to +150
-0.6 to + 6.25
-0.6 to +13.5
28
+300
Unit
°C
°C
V
V
°C/W
°C
NOTE:
Stresses above those listed under "Absolute Maximum Ratings" may cause permanent
damage to the device. This is a stress rating only and functional operation of the device
at these or any other 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 device reliability.
RECOMMENDED OPERATING CONDITIONS
Parameter
Supply Voltage
Input High Voltage
Input Low Voltage
Operating Temp. (Mil.)
Operating Temp. (Ind.)
Symbol
VCC
VIH
VIL
TA
TA
Min
Max Unit
4.5
5.5
V
2.0 VCC + 0.3 V
-0.3
+0.8
V
-55
+125 °C
-40
+85
°C
TRUTH TABLE
CS# OE# WE#
H
X
X
L
L
H
L
H
L
X
H
X
X
X
H
X
L
X
Mode
Standby
Read
Write
Out Disable
Write
Inhibit
Data I/O
High Z
Data Out
Data In
High Z/Data Out
CAPACITANCE
TA = +25°C
Parameter Sym
Condition
512Kx8 256Kx8 128Kx8 Unit
Max Max Max
Input
CIN VIN = 0V, f = 1MHz 45
80
45 pF
Capacitance
Output
COUT VI/O = 0V, f = 1MHz 60
80
60 pF
Capacitance
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 5.0V, VSS = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol Conditions
Input Leakage Current
Output Leakage Current
Dynamic Supply Current
Standby Current
Output Low Voltage
Output High Voltage
ILI VCC = 5.5, VIN = GND to VCC
ILO CS# = VIH, OE# = VIH, Vout = GND to VCC
ICC CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
ISB CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
VOL IOL = 2.1mA, VCC = 4.5V
VOH IOH = -400µA, VCC = 4.5V
512K x 8
256K x 8
128K x 8
Unit
Min Typ Max Min Typ Max Min Typ Max
10
10
10 µA
10
10
10 µA
80 100
60 90
50 70 mA
38
26
1 4 mA
0.45
0.45
0.45 V
2.4
2.4
2.4
V
NOTE: DC test conditions: Vih = Vcc -0.3V, Vil = 0.3V
FIGURE 4
AC Test Circuit
AC TEST CONDITIONS
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Typ
Unit
VIL = 0, VIH = 3.0
V
5
ns
1.5
V
1.5
V
Notes: VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16mA.
Tester Impedance Z0 = 75Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to simulate a typical resistive load circuit.
ATE tester includes jig capacitance.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2000
Rev. 1
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
Share Link: 