參數(shù)資料
型號： CYM74B550
廠商： Cypress Semiconductor Corp.
英文描述： OPTi Viper Chip Set Level II Cache Module Family(OPTi Viper 芯片組電平II高速緩沖存儲器模塊系列)
中文描述： 奧普蒂蝰蛇芯片組二級緩存模塊系列（奧普蒂蝰蛇芯片組電平二高速緩沖存儲器模塊系列）
文件頁數(shù)： 6/8頁
文件大?。?/td> 197K
代理商： CYM74B550
CYM74B550
CYM74P550A
CYM74S550, CYM74S551
PRELIMINARY
6
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature................................. –55
°
C to +125
°
C
Ambient Temperature
with Power Applied .........................................–0
°
C to +70
°
C
3.3V Supply Voltage to Ground Potential....... –0.5V to +4.6V
5V Supply Voltage to Ground Potential.......... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State............................................... –0.5V to +4.6V
DC Input Voltage ............................................–0.5V to +4.6V
Output Current into Outputs (LOW)............................. 20 mA
Document #: 38-M-00076-A
Operating Range
Range
Ambient
Temperature
0
°
C to +70
°
C
V
CC5
5V
±
5%
V
CC3
N/A
Commercial
(CYM74B550)
Commercial
(CYM74P550A,
CYM74S55X)
0
°
C to +70
°
C
5V
±
5%
3.3V
+10%– 5%
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
IL
V
OH
V
OL
I
CC (74B550)
I
CC (74P550A)
Description
Input HIGH Voltage
Input LOW Voltage
Input LOW Voltage
Output HIGH Voltage
Output LOW Voltage
Operating Supply Current
Operating Supply Current
Test Condition
Min.
2.2
–0.5
–0.3
2.4
Max.
Unit
V
V
V
V
V
mA
mA
CYM74B550
CYM74P550A, CYM74S55X
V
CC3
=Min. I
OH
= -4 mA
V
CC3
=Min. I
OL
= 8 mA
V
CC5
=Max., I
OUT
=0 mA, f=f
MAX
V
CC5
=Max.,V
CC3
=Max., I
OUT
=0 mA,
f=f
MAX
V
CC5
=Max., V
CC3
=Max., I
OUT
=0 mA,
f=f
MAX
V
CC5
=Max., V
CC3
=Max., I
OUT
=0 mA,
f=f
MAX
0.8
0.8
0.4
1650
900
I
CC (74S550)
Operating Supply Current
1500
mA
I
CC (74S551)
Operating Supply Current
1500
mA
Ordering Information
Speed
(MHz)
50
Ordering Code
CYM74B550PM-50C
CYM74P550APM-50C
CYM74S550PM-50C
CYM74S551PM-50C
CYM74B550PM-60C
CYM74P550APM-60C
CYM74S550PM-60C
CYM74S551PM-60C
CYM74B550PM-66C
CYM74P550APM-66C
CYM74S550PM-66C
CYM74S551PM-66C
Package
Name
PM35
PM42
PM33
Package Type
Description
Async 256 KB
Sync Pipelined 256 KB
Sync Burst 256 KB
Sync Burst 512 KB
Async 256 KB
Sync Pipelined 256 KB
Sync Burst 256 KB
Sync Burst 512 KB
Async 256 KB
Sync Pipelined 256 KB
Sync Burst 256 KB
Sync Burst 512 KB
Operating
Range
Commercial
160-Pin Dual-Readout SIMM
60
PM35
PM42
PM33
160-Pin Dual-Readout SIMM
Commercial
66
PM35
PM42
PM33
PM33
160-Pin Dual-Readout SIMM
Commercial
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