參數(shù)資料
型號: SYM53C141
廠商: LSI CORP
元件分類: 微控制器/微處理器
英文描述: SCSI Bus Expander(SCSI總線擴(kuò)展器)
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP128
封裝: PLASTIC, QFP-128
文件頁數(shù): 44/68頁
文件大?。?/td> 630K
代理商: SYM53C141
4-6
Specifications
4.2 TolerANT Technology Electrical Characteristics
Table 4.13
TolerANT Technology Electrical Characteristics
Symbol
Parameter
Min
Max
Units
Test Conditions
V
OH1
Output high voltage
2.5
3.5
V
I
OH
= 2.5 mA
V
OL
Output low voltage
0.1
0.5
V
I
OL
= 48 mA
V
IH
Input high voltage
1.9
7.0
V
V
IL
Input low voltage
0.5
1.0
V
Referenced to V
SS
V
IK
Input clamp voltage
0.66
0.77
V
V
DD
= 4.75;
I
I
=
20 mA
V
TH
Threshold, high to low
1.1
1.3
V
V
TL
Threshold, low to high
1.5
1.7
V
V
TH
-V
TL
Hysteresis
200
400
mV
I
OH1
Output high current
2.5
24
mA
V
OH
= 2.5 V
I
OL
Output low current
100
200
mA
V
OL
= 0.5 V
I
OSH1
Short-circuit output high
current
625
mA
Output driving low,
pin shorted to V
DD
supply
2
I
OSL
Short-circuit output low
current
95
mA
Output driving high,
pin shorted to V
SS
supply
I
LH
Input high leakage
10
μ
A
0.5 < V
DD
< 5.25
V
PIN
= 2.7 V
I
LL
Input low leakage
10
μ
A
0.5 < V
DD
< 5.25
V
PIN
= 0.5 V
R
I
Input resistance
20
M
SCSI pins
3
C
P
Capacitance per pin
10
pF
PQFP
t
R1
Rise time, 10% to 90%
9.7
18.5
ns
Figure 4.3
Note:
These values are guaranteed by periodic characterization; they are not 100% tested
on every device.
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