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參數(shù)資料
| 型號(hào)： | NTE6850 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit NMOS, Asynchronous Communications Interface Adapter |
| 中文描述： | 集成電路NMOS管，異步通信接口適配器 |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大小： | 31K |
| 代理商： | NTE6850 |
Electrical Characteristics:
(V
CC
= 5V
±
5%, V
SS
= 0, T
A
= 0
°
to +70
°
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Input High Voltage
V
IH
V
IL
I
in
V
SS
+2.0
V
SS
–
0.3
–
–
V
CC
V
Input Low Voltage
–
V
SS
+0.8
2.5
V
μ
A
Input Leakage Current
R/W, CS0, CS1, CS2,
Enable, RS, R
X
D, R
X
C,
CTS, DCD
Hi
–
Z (Off
–
State) Input Current
D0
–
D7
V
in
= 0 to 5.25V
1.0
I
TSI
V
in
= 0.4 to 2.4V
–
2.0
10.0
μ
A
Output High Voltage
D0
–
D7
Output High Voltage
T
X
Data, RTS
Output Low Voltage
V
OH
I
Load
= 205
μ
A, Enable Pulse Width < 25
μ
s
V
SS
+2.4
–
–
V
I
Load
= 100
μ
A, Enable Pulse Width < 25
μ
s
V
SS
+2.
–
–
V
V
OL
I
LOH
I
Load
= 1.6A, Enable Pulse Width < 25
μ
s
V
OH
= 2.4V
–
–
V
SS
+0.4
10
V
μ
A
Output Leakage Current
(Off
–
State) IRQ
–
1.0
Internal Power Dissipation
P
INT
T
A
= 0
°
C, Note 2
–
300
525
mW
Internal Input Capacitance
D0
–
D7
C
in
V
in
= 0, T
A
= +25
°
C, f = 1MHz
–
10.0
12.5
pF
Internal Input Capacitance
E, T
X
CLK, R
X
CLK, R/W,
RS, R
X
Data, CS0, CS1,
CS2, CTS, DCD
Output Capacitance
RTS, T
X
Data
Output Capacitance
IRQ
–
7.0
7.5
pF
C
out
V
in
= 0, T
A
= +25
°
C, f = 1MHz
–
–
10
pF
–
–
5
pF
Note 2. For temperatures less than T
A
= 0
°
C, P
INT
maximum will increase.
Serial Data Timing Characteristics:
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Data Clock Pulse Width, Low
PW
CL
16,
64 Modes
600
–
450
ns
1 Mode
900
–
650
ns
Data Clock Pulse Width, High
PW
CH
16,
64 Modes
600
–
450
ns
1 Mode
900
–
650
ns
Data Clock Frequency
f
C
16,
64 Modes
–
–
0.8
MHz
1 Mode
–
–
500
kHz
Data Clock
–
to
–
Data Delay for Transmitter
t
TDD
t
RDS
t
RDH
t
R
t
RTS
t
r
, t
f
–
–
600
ns
Receive Data Setup Time
1 Mode
250
–
–
ns
Receive Data Hold Time
1 Mode
250
–
–
ns
μ
s
ns
μ
s
Interrupt Request Release Time
–
–
1.2
Request
–
to
–
Send Delay Time
–
–
560
Input Rise and Fall Times
or 10% of the pulse width if smaller
–
–
1.0
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