參數(shù)資料
型號(hào): 5962-9162303MXC
廠商: TEXAS INSTRUMENTS INC
元件分類: 圖形處理器
英文描述: GRAPHICS PROCESSOR, CPGA145
封裝: CERAMIC, PGA-145
文件頁數(shù): 74/98頁
文件大小: 1546K
代理商: 5962-9162303MXC
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D -- APRIL 1991 -- REVISED SEPTEMBER 2004
76
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
host-interface-cycle timing responses (random read cycle) (see Note 5 and Figure 44)
NO
34020A-32
34020A-40
UNIT
NO.
MIN
MAX
MIN
MAX
UNIT
26
tw(RDH)
Pulse duration, HREAD high
28
25
ns
33
tsu(RDL-CK2L)
Setup time, HCS low or HREAD low to LCLK2 no
longer high
30
25
ns
39
td(CK1H-RYH)
Delay time, LCLK1 going high to HRDY high (end of
read cycle)
tQ+20
tQ+18
ns
40
td(RDH-RYL)
Delay time, HREAD or HCS high to HRDY low
20
18
ns
41
td(CK2L-STL)
Delay time, LCLK2 no longer high to HDST low
s+
tQ+15
tQ+13.5+s
ns
42
td(CK1L-STH)
Delay time, LCLK1 no longer high to HDST high
tQ+15
tQ+13.5
ns
43
tsu(STL-RYH)
Setup time, HDST low to HRDY no longer low
tQ--15
tQ--13.5
ns
44
td(RYH-STH)
Delay time, HRDY no longer low to HDST high
2tQ+15
2tQ+13.5
ns
Setup time to ensure recognition of input on this clock edge
NOTE 5: s =tQ if using the clock stretch;
s = 0 otherwise
.
Q4
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
LCLK1
LCLK2
HCS/HREAD
HRDY
HDST
33
43
33
26
40
41
39
42
44
See clock stretch, page 21.
Figure 44. Host-Interface-Cycle Timing Responses (Random Read Cycle)
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