參數(shù)資料
型號: TPU2735
廠商: Electronic Theatre Controls, Inc.
英文描述: Teletext Processor
中文描述: 圖文處理器
文件頁數(shù): 12/37頁
文件大小: 1019K
代理商: TPU2735
TPU 2735
12
Recommended Operating Conditions,
continued
Symbol
Parameter
Pin
No.
Min.
Typ.
Max.
Unit
Test Conditions
V
I
Input Voltage, Analog RGB In-
puts
32, 33,
34
0.7
1
V
PP
V
PP
Input Voltage Swing, Clock In-
put
36
0.8
2.4
V
PP
V
DC
Input Voltage DC Level, Clock
Input
36
1.5
3.5
V
V
IH
Input Voltage High,
D2DATA Input
38
2.4
V
V
IL
Input Voltage Low,
D2DATA Input
38
0.8
V
f
c
Clock Frequency, PAL
36
17.7
MHz
f
c
Clock Frequency, NTSC
36
14.4
MHz
f
c
Clock Frequency, D2MAC
36
20.25
MHz
C
L
Load Capacitance, DRAM Inter-
face
17, 18,
19
21 to
30
30
pF
T
S
Input Setup Time, Video Inputs,
PAL/NTSC
39, 40,
1 to 4
9
ns
ref. to neg. clock edge
T
H
Input Hold Time, Video Inputs
PAL/NTSC
8
ns
ref. to neg. clock edge
T
S
Input Setup Time, H Input
PAL/NTSC
11
0
ns
ref. to neg. clock edge
T
H
Input Hold Time, H Input PAL/
NTSC
11
20
ns
ref. to neg. clock edge
T
S
Input Setup Time, H Input
D2MAC
11
–10
ns
ref. to pos. clock edge
T
H
Input Hold Time, H input D2MAC
11
25
ns
ref. to pos. clock edge
T
V
Pulse Width, V Input
12
58
H
(64
μ
s)
T
S
Input Setup Time, D2Data Input
38
5
ns
ref. to pos. clock edge
T
H
Input Hold Time, D2Data Input
38
10
ns
ref. to pos. clock edge
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