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參數資料
型號: ISP1122NB
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: Universal Serial Bus stand-alone hub
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PDIP32
封裝: 0.400 INCH, SHRINK, PLASTIC, SOT-232-1, DIP-32
文件頁數: 45/48頁
文件大小: 1159K
代理商: ISP1122NB
Philips Semiconductors
ISP1122
USB stand-alone hub
Product specification
Rev. 03 — 29 March 2000
45 of 48
9397 750 07002
Philips Electronics N.V. 2000. All rights reserved.
19. Revision history
Table 36: Revision history
Rev
Date
03
20000329
CPCN
Description
Product specification, third version; supersedes ISP1122-02 of 4 October 1999
(9397 750 06389). Modifications:
Table 1 “Ordering information”
: table note on LQFP32 availability removed
Table 23 “Configuration bits”
: values of bits C7 and C6 exchanged
Section 12.4 “Reference circuits”
: resistor value for soft turn-on RC-circuit changed from
10 k
to 47 k
; see also
Figure 10
to
13
.
Product specification, second version; supersedes initial version ISP1122-01 of
3 June 1999 (9397 750 05154). Modifications:
Terminology made consistent: ganged power switching, global overcurrent detection
Added note on availability of LQFP32 to
Table 1 “Ordering information”
Updated reference circuits in
Section 12.4 “Reference circuits”
: pull-up resistors changed
to 330 k
, soft turn-on RC network: capacitor moved and changed to 0.1
μ
F
Updated
Figure 22 “Load impedance for D+ and D- pins.”
: V
CC
-> V
reg(3.3)
.
Product specification; initial version.
02
19991004
01
19990603
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