參數(shù)資料
型號(hào): uPD72107L
廠商: NEC Corp.
英文描述: LAP-B CONTROLLER(Link Access Procedure Balanced mode)
中文描述: 鱲- B控制器(鏈路訪問過程平衡模式)
文件頁數(shù): 13/32頁
文件大?。?/td> 182K
代理商: UPD72107L
13
μ
PD72107
AC Characteristics (T
A
= –40 to +85
°
C, V
DD
= 5 V
±
10%)
When bus master (1)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
CLK cycle time
t
CYK
121
1000
ns
CLK low-level time
t
KKL
50
ns
CLK high-level time
t
KKH
50
ns
CLK rise time
t
KR
1.5 – 3.0 V
10
ns
CLK fall time
t
KF
3.0 – 1.5 V
10
ns
Load condition
Caution If the load capacitance exceeds 50 pF due to the configuration of the circuit, keep the load
capacitance of this device to within 50 pF by inserting a buffer or by some other means.
Remark
DUT: device under test
AC test input/output waveform (except clock)
System clock
DUT
C
L
= 50 pF
C
L
includes jig capacitance.
2.2 V
0.8 V
2.2 V
0.8 V
2.4 V
0.4 V
Test points
t
KF
t
KR
t
KKL
t
KKH
t
CYK
1.5 V
3.0 V
CLK
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