參數(shù)資料
型號: GL640USB
廠商: Electronic Theatre Controls, Inc.
英文描述: IEEE-1284 to USB Bridge
中文描述: 符合IEEE - 1284的USB橋接
文件頁數(shù): 36/39頁
文件大?。?/td> 2027K
代理商: GL640USB
Revision 1.1
Jun. 7, 1999
-35-
GL640USB, GL640USB-A
11.4 Switching Characteristics
SYMBOL
Description
MIN
TYP
MAX
UNIT
F
X1
X1 crystal frequency
11.97
12
12.03
MHz
T
CYC
X1 cycle time
83.3
ns
T
X1L
X1 clock LOW time
0.45T
cyc
ns
T
X1H
X1 clock HIGH time
0.45T
cyc
ns
T
r30pf
Output pad rise time from 10% to 90% swing with 30pF
loading
6
8
12
ns
T
f30pf
Output pad fall time from 10% to 90% swing with 30pF
loading
5.3
7
10.4
ns
T
r50pf
Output pad rise time from 10% to 90% swing with50pF
loading
9.5
13
19
ns
T
f50pf
Output pad fall time from 10% to 90% swing with 50pF
loading
7.7
10
16
ns
T
rUSB
D+/D- rise time with 50pF loading
4
20
ns
T
fUSB
D+/D- fall time with 50pF loading
4
20
ns
相關(guān)PDF資料
PDF描述
GL640USB-A Pin Strip Header; No. of Contacts:36; Pitch Spacing:0.1"; No. of Rows:1; Contact Material:Copper Alloy; Contact Plating:Gold; Leaded Process Compatible:Yes; Mounting Type:PCB Straight Thru Hole; Peak Reflow Compatible (260 C):No RoHS Compliant: Yes
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