參數(shù)資料
型號: 87C055
廠商: NXP Semiconductors N.V.
英文描述: Microcontrollers for TV and video MTV
中文描述: 電視和視頻微控制器MTV
文件頁數(shù): 36/40頁
文件大?。?/td> 243K
代理商: 87C055
1996 Mar 22
36
Philips Semiconductors
Product specification
Microcontrollers for TV and video (MTV)
83C145; 83C845
83C055; 87C055
20 AC CHARACTERISTICS
V
DD
= 5 V
±
10%; T
amb
= 0 to +70
°
C; all voltages with respect to V
SS
; unless otherwise specified.
Notes
1.
2.
3.
The 83C055 is tested at its maximum XTAL frequency, but not at any other (lower) rate.
These parameters apply only when an external clock signal is used.
These parameters assume equal loading at C
L
= 100 pF, for all the referenced outputs. These parameters are
specified but not tested.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
1/t
CLCL
t
CHCX
t
CLCX
t
CLCH
t
CHCL
1/t
VCLCL
t
VCOH
t
VCOL
XTAL frequency
XTAL1 clock HIGH time
XTAL1 clock LOW time
XTAL1 clock rise time
XTAL1 clock fall time
VCLK frequency
Rise versus fall time skew on any one of
VID2 to VID0, VCTRL and BF
Rise time skew between any two of
VID2 to VID0, VCTRL and BF
Fall time skew between any two of
VID2 to VID0, VCTRL and BF
note 1
note 2
6
20
20
5
5
12
20
20
8
40
MHz
ns
ns
ns
ns
MHz
ns
note 3
t
VCOH1
t
VCOH2
30
ns
t
VCOL1
t
VCOL2
30
ns
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