参数资料
型号: WSF128K32-29H2IA
厂商: Electronic Theatre Controls, Inc.
英文描述: 128K x 32 SRAM/FLASH MODULE
中文描述: 128K的× 32的SRAM /闪存模块
文件页数: 5/12页
文件大小: 223K
代理商: WSF128K32-29H2IA
2
White Electronic Designs Corporation Phoenix AZ (602) 437-1520
WSF128K32-XH2X
White Electronic Designs
NOTE:
1. FCS must remain high when SCS is low.
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
7.0
V
Junction Temperature
TJ
150
°C
Supply Voltage
VCC
-0.5
7.0
V
ABSOLUTE MAXIMUM RATINGS
DC CHARACTERISTICS
(VCC = 5.0V, VSS = 0V, TA = -55°C TO +125°C)
Parameter
Symbol
ConditionsMin
Max
Unit
Input Leakage Current
ILI
VCC = 5.5, VIN = GND to VCC
10
A
Output Leakage Current
ILO
SCS = VIH, OE = VIH, VOUT = GND to VCC
10
A
SRAM Operating Supply Current x 32 Mode
ICCx32
SCS = VIL, OE = FCS = VIH, f = 5MHz, VCC = 5.5
670
mA
Standby Current
ISB
FCS = SCS = VIH, OE = VIH, f = 5MHz, VCC = 5.5
80
mA
SRAM Output Low Voltage
VOL
IOL = 8mA, VCC = 4.5
0.4
V
SRAM Output High Voltage
VOH
IOH = -4.0mA, VCC = 4.5
2.4
V
Flash VCC Active Current for Read (1)
ICC1
FCS = VIL, OE = SCS = VIH
220
mA
Flash VCC Active Current for Program or
ICC2
FCS = VIL, OE = SCS = VIH
280
mA
Erase (2)
Flash Output Low Voltage
VOL
IOL = 8.0mA, VCC = 4.5
0.45
V
Flash Output High Voltage
VOH1
IOH = -2.5 mA, VCC = 4.5
0.85 x VCC
V
Flash Output High Voltage
VOH2
IOH = -100 A, VCC = 4.5
VCC -0.4
V
Flash Low VCC Lock Out Voltage
VLKO
3.2
V
Parameter
Flash Data Retention
10 years
Flash Endurance (write/erase cycles)
10,000
NOTE:
1. Stresses above the absolute maximum rating may cause
permanent damage to the device. Extended operation at the
maximum levels may degrade performance and affect reliability.
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
-0.5
+0.8
V
RECOMMENDED OPERATING CONDITIONS
NOTES:
1. The ICC current listed includes both the DC operating current and the frequency dependent component (@ 5 MHz).
The frequency component typically is less than 2 mA/MHz, with OE at VIH.
2. ICC active while Embedded Algorithm (program or erase) is in progress.
3. DC test conditions: VIL = 0.3V, VIH = VCC - 0.3V
SRAM TRUTH TABLE
SCS
OE
SWE
Mode
Data I/O
Power
H
X
Standby
High Z
Standby
L
H
Read
Data Out
Active
L
H
Read
High Z
Active
L
X
L
Write
Data In
Active
CAPACITANCE
(TA = +25°C)
Test
Symbol
Condition
Max Unit
OE Capacitance
COE VIN = 0V, f = 1.0MHz 80
pF
F/S WE 1-4 Capacitance
CWE VIN = 0V, f = 1.0MHz 30
pF
F/S CS Capacitance
CCS VIN = 0V, f = 1.0MHz 50
pF
D0-31 Capacitance
CI/O VIN = 0V, f = 1.0MHz 30
pF
A0 - A16 Capacitance
CAD VIN = 0V, f = 1.0MHz 80
pF
This parameter is guaranteed by design but not tested.
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