參數(shù)資料
型號(hào): SYMBIOS
英文描述: Symbios SYM8953U PCI to Ultra2 SCSI host adapter user's guide v1.0
中文描述: Symbios SYM8953U PCI到Ultra2 SCSI主機(jī)適配器用戶指南1.0版
文件頁(yè)數(shù): 64/90頁(yè)
文件大?。?/td> 1146K
代理商: SYMBIOS
3.75 pc
10.25 pc
11.25 pc
38.25 pc
4.333 pc
48.583 pc
52.5 pc
34.5 pc
44.25 pc
A-2
Technical Specifications
Figure A.1
SYM8953U Mechanical Drawing
A.1.2 Electrical Characteristics
The SYM8953U maximum power requirement, including SCSI
TERMPWR (termination power), under normal operation is as follows:
Under abnormal conditions such as a short on SCSI TERMPWR, + 5 V
current may be higher. At temperatures of at least 25
°
C a current of
4 A is sustained no longer than 30 seconds before the self-resetting
TERMPWR short circuit protection device (F1) opens.
SCSI LVD/SE
SYM8953U
U13
J2
CT3
C
T
F1
CT2
U
U
CT10
J
U
S
Activity
J
V
C
U1
C
U3
C
U2
U5
C
ICT
6.533’’
5V_A
GND_A
U6
U11
U10
5V_B
GND_B
SIG2_B
SIG1_B
62
U8
U9
L2
L1
CT7
CT8
+3.3 V
CT5
CT6
J1T
C
01
1998
C
SIG2_A
SIG1_A
Note:
J1: PCI 32-bit, universal board connector.
J2: 68-pin HD connector.
J3: 68-pin HD connector.
J4: 4 pin low density connector.
8
152.4 mm (6.0 inches)
Table A.1
Maximum Power Requirements
+ 5 V DC
±
5%
1.5 A
Over the operating range 0
°
C to 55
°
C
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