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參數(shù)資料
| 型號： | HA12187 |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 外設及接口 |
| 英文描述： | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| 中文描述： | 單電源RS232C接口線路驅動器/接收器（單電源RS232C接口線收發(fā)器（2發(fā)2收）） |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 105K |
| 代理商： | HA12187 |
HA12187FP
Rev.2, Jun. 1999, page 6 of 23
Electrical Characteristics
(V
CC
= 5.0 V, Ta = 25°C) (cont)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Test
Pin
Test
Circuit
Recei
ver
High-level input
voltage (1)
V
IH1
—
80
120
mV
V6 = 0
→
5 V, pin 2 = 4 V
or more, V1 = 0V, V3 = 0V,
V5 = V
OP–
, V
IH1
= V6 – V5
V6 = 5
→
0 V, pin 2 = 1 V
or less, V1 = 0 V, V3 = 0 V,
V5 = V
OP–
,V
IL1
= V6 – V5
V
IHYS1
= V
IH1
– V
IL1
2
Figure 2
Low-level input
voltage (1)
V
IL1
20
45
—
mV
2
Figure 2
Input hysteresis
voltage (1)
V
IHYS1
10
35
60
mV
High-level
common-mode
input voltage
V
IHCOM
4.5
—
—
V
V5 = 0
→
5 V, pin 2 = 4 V
or more, V1 = 0 V, V3 = 0
V, V6 – V5 = 120 mV
5
Figure 2
Low-level
common-mode
input voltage
V
ILCOM
5
—
—
V
V5 = 0
→
5 V, pin 2 = 1 V
or less, V1 = 0 V, V3 = 0 V,
V6 – V5 = 20 mV
5
Figure 2
Receiver input
resistance*
1
RI
25
35
45
k
V1 = 0 V,
RI
=
0.6V
I1
I2
5, 6
Figure 3
High-level
output voltage
V
OH
4.5
—
—
V
V1 = 5 V, V3 = 0 V
2
Figure 1
Low-level output
voltage
V
OL
—
—
1.0
V
V1 = 0 V, V3 = 0 V
2
Figure 1
Power supply off output
leakage current
I
OLEAK
—
—
1
μA
V
off, V8 = 0 V, V6 = 5 V,
V1 = 0 V, V3 = 0 V, SW1
on
V8 = 5
→
0 V, V1 = 5 V, V8
when I
CC
≤
20 μA
V8 = 0
→
5 V, V1 = 5 V, V8
when I
CC
≥
4.5 mA
V1 = 5 V, V3 = 0 V, V8 = 0
V
5, 6
Figure 4
STB on voltage
VSTBon
—
—
1.5
V
7
Figure 4
STB off voltage
VSTBoff
3.5
—
—
V
7
Figure 4
Standby mode current
drain
I
CCstb
—
10
20
μA
7
Figure 4
Standby mode leakage
current
Delay time (L
→
H)
Istb-Leak —
—
1
μA
V1 = 5 V, V3 = 0 V, V8 = 0
V, V6 = 5 V, SW1 on
5, 6
Figure 4
DLY1
—
600
800
nS
See the operating
waveform figure
2
Figure 5
Delay time (H
→
L)
DLY2
—
450
800
nS
See the operating
waveform figure
2
Figure 5
Note:
1. I1 is the measured current when V6 = (V
OP+
) + 0.3 V, and I2 is the measured current when V6 =
(V
OP+
) – 0.3 V.
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