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| 型號(hào)： | SP522 |
| 英文描述： | Low-Cost Programmable Multi-Protocol Transceivers |
| 中文描述： | 低成本可編程多協(xié)議收發(fā)器 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大小： | 200K |
| 代理商： | SP522 |
5
Rev. 7/10/03
SP522 Multi–Mode Serial Transceivers
Copyright 2003 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation
of the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may
affect reliability.
V
CC
............................................................................+7V
V
DD
........................................................................+12V
V
..........................................................................–12V
Input Voltages
Logic...............................-0.5V to (V
CC
+0.5V)
Drivers............................-0.5V to (V
CC
+0.5V)
Receivers..........................
±
30V@
≤
100mA
Outputs Voltages
Logic................................-0.5V to (V
+0.5V)
Drivers................................................+15V
Receivers........................-0.5V to (V
+0.5V)
Storage Temperature..........................-65C to +150C
Power Dissipation.........................................2000mW
OTHER AC CHARACTERISTICS
(Typical @ 25
°
C and nominal supply voltages unless otherwise noted)
PARAMETER
DRIVER DELAY TIME FROM ENABLE MODE TO TRI–STATE MODE
SINGLE–ENDED MODE (RS-232, RS-423)
t
PZL
; Enable to Output low
t
PZH
; Enable to Output high
t
PLZ
; Disable from Output low
t
PHZ
; Disable from Output high
DIFFERENTIAL MODE (RS-422, RS-485)
t
PZL
; Enable to Output low
MIN.
TYP.
MAX.
UNITS
CONDITIONS
600
300
300
900
ns
ns
ns
ns
3K
pull–up to output
3K
pull–down to output
5V to input
GND to input
100
ns
C
= 100pF, Fig. 4 & 6; S
1
closed
C
= 100pF, Fig. 4 & 6; S
2
closed
C
= 15pF, Fig. 4 & 6; S
1
closed
C
= 15pF, Fig. 4 & 6; S
2
closed
t
PZH
; Enable to Output high
120
ns
t
PLZ
; Disable from Output low
100
ns
t
PHZ
; Disable from Output high
160
ns
RECEIVER DELAY TIME FROM ENABLE MODE TO TRI–STATE MODE
SINGLE–ENDED MODE (RS-232, RS-423)
t
PZL
; Enable to Output low
t
PZH
; Enable to Output high
t
PLZ
; Disable from Output low
t
PHZ
; Disable from Output high
DIFFERENTIAL MODE (RS-422, RS-485)
t
PZL
; Enable to Output low
125
120
90
90
ns
ns
ns
ns
3K
pull–up to output
3K
pull–down to output
5V to input
GND to input
125
ns
C
= 15pF, Fig. 2 & 8; S
1
closed
C
= 15pF, Fig. 2 & 8; S
2
closed
C
= 15pF, Fig. 2 & 8; S
1
closed
C
= 15pF, Fig. 2 & 8; S
2
closed
t
PZH
; Enable to Output high
120
ns
t
PLZ
; Disable from Output low
90
ns
t
PHZ
; Disable from Output high
90
ns
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