參數(shù)資料
型號: SMJ34020AGB
廠商: Texas Instruments, Inc.
英文描述: GRAPHICS SYSTEM PROCESSOR
中文描述: 圖形系統(tǒng)處理器
文件頁數(shù): 65/92頁
文件大?。?/td> 1458K
代理商: SMJ34020AGB
SMJ34020A
GRAPHICS SYSTEMPROCESSOR
SGUS011B – APRIL 1991 – REVISED AUGUST 1995
65
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
timing parameter symbology
Timing parameter symbols used herein were created in accordance with JEDEC Standard 100. In order to
shorten the symbols, some of the pin names and other related terminology have been abbreviated as follows:
A
AD
AL
BC
HA5–HA31 and HBS0–HBS3
LAD0–LAD31 and RCA0–RCA12
ALTCH
Any of the bus control input signals
(LRDY, PGMD, SIZE16, or BUSFLT)
CAS0–CAS3
LCLK1 and LCLK2
LCLK1
LCLK2
CLKIN
CAMD
HCS
Any of the bus control output signals
(ALTCH, CAS0–CAS3, RAS, WE,
TR/QE, HOE, or HDST)
DDIN
DDOUT
EMU0, EMU1, EMU2
HINT
HSYNC, VSYNC, CSYNC/HBLNK, or
CBLNK/VBLNK
GI
LAD0–LAD31
LINT
OE
RC
RD
LINT1, LINT2
HOE
RCA0–RCA12
HREAD
CE
CK
CK1
CK2
CKI
CM
CS
CT
RE
RQ
RS
RY
S
SC
SCK
SF
RAS
R0 or R1
RESET
HRDY
HSYNC, VSYNC, or CSYNC
EMU3
SCLK
SF
DI
DO
EM
HI
HS
SG
SGV
ST
TR
VCK
Any output signal
Signal valid
HDST
TR/QE
VCLK
GI
LA
WR
HWRITE
Lowercase subscripts and their meaning are:
a
c
d
h
su
t
w
access time
cycle time (period)
delay time
hold time
setup time
transition time
pulse duration (width)
The following letters and symbols and their meaning are:
H
L
V
X
Z
High level
Low level
Valid level
Unknown, changing or don’t care level
High-impedance state of 3-state output
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