SCN2651CC1N28 Просмотр технического описания (PDF) - Philips Electronics
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SCN2651CC1N28 Datasheet PDF : 15 Pages
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Philips Semiconductors
Programmable communications interface (PCI)
Product specification
SCN2651
BLOCK DIAGRAM
DATA BUS
D0–D7
(27, 28, 1, 2,
5, 6, 7, 8)
RESET (21)
(12)
A0 (10)
A1 (13)
R/W
(11)
CE
DATA BUS
BUFFER
OPERATION CONTROL
MODE REGISTER 1
MODE REGISTER 2
COMMAND REGISTER
STATUS REGISTER
BRCLK (20)
TxC (9)
(25)
RxC
(22)
DSR
(16)
DCD
(17)
CTS
(23)
RTS (24)
DTR (18)
TxEMT/*
DSCHG
BAUD RATE
GENERATOR
AND
CLOCK CONTROL
MODEM
CONTROL
SYN/DLE CONTROL
SYN 1 REGISTER
SYN 2 REGISTER
DLE REGISTER
TRANSMITTER
(15)
TxRDY
TRANSMIT DATA
HOLDING REGISTER
TRANSMIT
SHIFT REGISTER
(19)
TxD
RECEIVER
(14)
RxRDY
RECEIVE
SHIFT REGISTER
RECEIVE DATA
HOLDING REGISTER
(3)
RxD
SD00050
ABSOLUTE MAXIMUM RATINGS1
SYMBOL
TA
TSTG
PARAMETER
Operating ambient temperature2
Storage temperature
All voltages with respect to ground3
RATING
Note 4
-65 to +150
-0.5 to +6.0
UNIT
°C
°C
V
NOTES:
1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or at any other condition above those indicated in the operation section of this specification is not
implied.
2. For operating at elevated temperatures, the device must be derated based on +150°C maximum junction temperature.
3. This product includes circuitry specifically designed for the protection of its internal devices from the damaging effect of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying any voltages larger than the rated maxima.
4. Parameters are valid over operating temperature range unless otherwise specified. See ordering code table for applicable temperature
range and operating supply range.
CAPACITANCE
TA = 25°C, VCC = 0V
SYMBOL
PARAMETER
Capacitance
CIN
COUT
CI/O
Input
Output
Input/Output
TEST CONDITIONS
fC = 1MHz
Unmeasured pins tied to ground
LIMITS
Min
Typ
Max
20
20
20
UNIT
pF
pF
pF
1994 Apr 27
2
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