參數(shù)資料
型號(hào): SC28C94
廠商: NXP Semiconductors N.V.
英文描述: Quad universal asynchronous receiver/transmitter QUART
中文描述: 四通用異步接收器/發(fā)送器夸脫
文件頁數(shù): 23/38頁
文件大小: 230K
代理商: SC28C94
Philips Semiconductors
Product specification
SC28C94
Quad universal asynchronous receiver/transmitter (QUART)
1998 Aug 19
23
DC ELECTRICAL CHARACTERISTICS
V
CC
= 5V
±
10%, T
A
= –40 C to 85 C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
Typ
UNIT
Min
Max
0.8
V
IL
Input low voltage
V
V
IH
Input high voltage (except X1/CLK)
0 to +70
°
C
–40 to +85
°
C
2.0
2.2
V
V
IH
V
OL
V
OH
Input high voltage (X1/CLK)
0.8V
CC
V
Output Low voltage
Output High voltage (except OD outputs)
I
OL
= 4.0mA
I
OH
= –400
μ
A
I
OH
= –100
μ
A
V
IN
= 0
V
IN
= V
CC
V
IN
= 0 to V
CC
V
IN
= GND, X2 = open
V
IN
= V
CC
, X2 = open
V
IN
= V
CC
V
IN
= 0
V
IN
= 0
V
IN
= V
CC
CMOS input levels 25
°
C
with X1 = 4MHz
0.8V
CC
0.9V
CC
–10
0.4
V
V
V
μ
A
μ
A
μ
A
μ
A
μ
A
I
IL
I
IH
I
I
I
ILX1
I
IHX1
I
OZH
I
OZL
I
ODL
I
ODH
Input current Low, I/O ports
Input current High, I/O ports
Input leakage current
10
1
–1
X1/CLK input Low current
X1/CLK input High current
Output off current High, 3–state data bus
Output off current Low, 3–state data bus
Open–drain output Low current in off state: IRQN
Open–drain output Low current in off state: IRQN
Power supply current
Operating mode
Power down mode
1
–140
140
–1
–1
1
μ
A
1
μ
A
I
CC
20
35
mA
2
mA
NOTES:
1. See UART application note for power down currents less than
5
μ
A
.
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