参数资料
型号: WMS256K16-17FLCA
厂商: WHITE ELECTRONIC DESIGNS CORP
元件分类: SRAM
英文描述: 256K X 16 STANDARD SRAM, 17 ns, CDFP44
封装: CERAMIC, DFP-44
文件页数: 2/2页
文件大小: 297K
代理商: WMS256K16-17FLCA
WMS256K16-XXX
2
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
August 2004
Rev. 6
TRUTH TABLE
CS#
WE#
OE#
LB#
UB#
Mode
Data I/O
Power
I/O1-8
I/O9-16
H
XXXX
Not Select
High Z
Standby
LH
H
X
Output Disable
High Z
Active
LX
X
H
LH
L
LH
Read
Data Out
High Z
Active
H
L
High Z
Data Out
L
Data Out
LL
X
LH
Write
Data In
High Z
Active
H
L
High Z
Data In
L
Data In
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Min
Max
Unit
Operating Temperature
TA
-55
+125
°C
Storage Temperature
TSTG
-65
+150
°C
Signal Voltage Relative to GND
VG
-0.5
VCC+0.5
V
Junction Temperature
TJ
150
°C
Supply Voltage
VCC
-0.5
7.0
V
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min
Max
Unit
Supply Voltage
VCC
4.5
5.5
V
Input High Voltage
VIH
2.2
VCC + 0.3
V
Input Low Voltage
VIL
-0.3
+0.8
V
Operating Temp. (Mil.)
TA
-55
+125
°C
CAPACITANCE
TA = +25°C
Parameter
Symbol
Condition
Max
Unit
Input capacitance
CIN
VIN = 0V, f = 1.0MHz
20
pF
Output capacitance
COUT
VOUT = 0V, f = 1.0MHz
20
pF
This parameter is guaranteed by design but not tested.
DC CHARACTERISTICS
VCC = 5.0V, GND = 0V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
Conditions
Min
Max
Units
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
10
μA
Output Leakage Current
ILO
CS# = VIH, OE# = VIH, VOUT = GND to VCC
10
μA
Operating Supply Current
ICC
CS# = VIL, OE# = VIH, f = 5MHz, VCC = 5.5
275
mA
Standby Current
ISB
CS# = VIH, OE# = VIH, f = 5MHz, VCC = 5.5
17
mA
Output Low Voltage
VOL
IOL = 6mA, VCC = 4.5
0.4
V
Output High Voltage
VOH
IOH = -4.0mA, VCC = 4.5
2.4
V
NOTE: DC test conditions: VIH = VCC -0.3V, VIL = 0.3V
LOW POWER DATA RETENTION CHARACTERISTICS (WMS256K16L-XXX ONLY)
-55°C ≤ TA ≤ +125°C
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Data Retention Supply Voltage
VDR
CS# ≥ VCC -0.2V
2.0
5.5
V
Data Retention Current
ICCDR1
VCC = 3V
1.0
8.0
mA
相关PDF资料
PDF描述
WMS256K16-25DLM 256K X 16 STANDARD SRAM, 25 ns, CDSO44
WMS256K16L-20DLC 256K X 16 STANDARD SRAM, 20 ns, CDSO44
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WMS256K16-35DLM 256K X 16 STANDARD SRAM, 35 ns, CDSO44
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