参数资料
型号: SAA5491H/NNN
厂商: NXP SEMICONDUCTORS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80
封装: 14 X 20 MM, 2.80 MM HEIGHT, PLASTIC, SOT-318-2, QFP-80
文件页数: 54/72页
文件大小: 498K
代理商: SAA5491H/NNN
1998 Dec 14
58
Philips Semiconductors
Preliminary specication
Economy teletext and TV microcontrollers
SAA5x9x family
Digital outputs
R, G AND B; note 1
VOL
LOW-level output voltage
IOL =2mA
0
0.2
V
VOH
HIGH-level output voltage
IOH = 2mA
VRGBREF 0.3 VRGBREF VRGBREF + 0.4 V
ZO
output impedance
150
CL
load capacitance
50
pF
IO
DC output current
4mA
tr
output rise time
between 10 and 90%;
CL =50pF
20
ns
tf
output fall time
between 90 and 10%;
CL =50pF
20
ns
VDS
VOL
LOW-level output voltage
IOL = 1.6 mA
0
0.2
V
VOH
HIGH-level output voltage
IOH = 1.6 mA
VDD 0.3
VDD + 0.4
V
CL
load capacitance
50
pF
tr
output rise time
between 10 and 90%;
CL =50pF
20
ns
tf
output fall time
between 90 and 10%;
CL =50pF
20
ns
R, G, B AND VDS
tskew
skew delay between any two
pins
20
ns
COR (OPEN-DRAIN OUTPUT)
VOH
HIGH-level pull-up output
voltage
VDD
V
VOL
LOW-level output voltage
IOL =2mA
0
0.5
V
IOL
LOW-level output current
2mA
CL
load capacitance
25
pF
FRAME, RD, WR, ALE, PSEN, AD0 TO AD7, A8 TO A15
VOH
HIGH-level output voltage
IOL =8mA
0
0.5
V
VOL
LOW-level output voltage
IOL = 8mA
VDD 0.5
VDD
V
IOL
LOW-level output current
8
+8
mA
CL
load capacitance
100
pF
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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