DMA 2271, DMA 2280, DMA 2281
13
Characteristics,
continued
Symbol
Parameter
Pin No.
Min.
Typ.
Max.
Unit
Test Conditions
t
S4
S Bus Data Output Setup Time
before
Φ
S S Clock Output
66, 67
100
–
–
ns
t
S5
S Bus Data Output Hold Time
after
Φ
S S Clock Output
100
–
–
ns
t
S6
S Bus Ident End–Pulse
Output Low Time
64
300
400
–
ns
V
BOL
Burst Bus Output Low Voltage
58 to 60
–
–
0.4
V
I
DMO
= 1.6 mA
V
BOH
Burst Bus Output High Voltage
2.8
–
–
V
–I
DMO
= 0.1 mA
t
BT
Burst Bus Output
Transition Time
–
–
10
ns
f
Φ
B
Φ
B Burst Bus Clock Frequency
60
–
f
Φ
M
or
2 f
Φ
M
–
–
t
B3
t
B2
Φ
B Clock Output
High/Low Ratio
0.9
1
1.1
–
t
B1
Φ
B Clock Output Delay Time
after Ident Output
58, 60
–
0
–
–
t
B4
Ident Output Delay Time after
Φ
B Clock
–
0
–
–
t
B5
Burst Bus Data Output Setup
Time before
Φ
D Clock Output
59, 60
–
50
–
ns
t
B6
Burst Bus Data Output Hold
Time after
Φ
B Clock Output
–
0
–
–
V
IMOL
IM Bus Data Output Low Voltage
14
–
–
0.3
V
I
IMO
= 6 mA
I
IMOH
IM Bus Data Output
High Current
–
–
10
μ
A
V
IMO
= 5 V
t
4
IM Bus Data Output Setup Time
before
Φ
I Clock Input High
14, 12
0
–
–
–
t
5
IM Bus Data Output Hold Time
after
Φ
I Clock Input Fall
0
–
–
–
V
CLOL
Clamping Output Low Voltage
48
–
–
0.2
V
I
CLO
= 2 mA
V
CLOH
Clamping Output High Voltage
–
–
V
SUP
–0.5
V
–I
CLO
= 1 mA
V
AGCOL
AGC Output Low Voltage
49
–
–
0.4
V
I
AGCO
= 6 mA
I
AGCOZ
AGC Output High–Impedance
Current
–10
–
+10
μ
A
V
AGC
= 0 to 5 V
V
AGCOH
AGC Output High Voltage
V
SUP
–0.5
–
–
V
–I
AGC
= 1 mA
t
AGCO
AGC Output Pulse Duration
–
40
–
ms
t
SAGCO
AGC Output Pulse Start Time
– line No. 624
–
–
V
HBCKOL
Combined Horizontal Blanking
& Color Key Output Low Voltage
50
–
–
0.4
V
I
HBCKO
= 6 mA
I
HBCKOZ
Combined Horizontal Blanking
and Color Key Output High–Im-
pedance Current
–10
–
+10
μ
A
V
HBCKO
= 0 to 5 V