SC26C562 Philips Semiconductors, SC26C562 Datasheet - Page 12

• Manufacturer Part Number: SC26C562
• Description: CMOS dual universal serial communications controller CDUSCC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS (Continued)
1998 Sep 04
t
t
t
t
t
t
t
t
f
f
f
f
f
RTC
CLHCLL
CLLCLH
CCHCCL
CCLCCH
RCHRCL
RCLRCH
TCHTCL
TCLTCH
CL
CC
RC
TC
SYMBOL
SYMBOL
CMOS dual universal serial communications controller
(CDUSCC)
t
t
GIVRDL
RDLGII
X1/CLK
CTCLK
*Pull-up resistor is not required when using CMOS levels
RxC
TxC
GPI input valid to RDN low
RDN low to GPI input invalid
X1/CLK high to low time
X1/CLK low to high time
C/T CLK high to low time
C/T CLK low to high time
RxC high to low time
RxC low to high time
TxC high to low time
TxC low to high time
X1/CLK frequency
C/T CLK frequency
RxC frequency (16X or 1X @ 50% duty cycle)
TxC frequency (16X or 1X @ 50% duty cycle)
Tx/Rx frequency for FM/Manchester encoding
CSN (CEN)
AND/OR
GPI1N
GPI2N
t
t
t
t
CLHCLL
CCHCCL
RCHRCL
TCHTCL
RDN
PARAMETER
11
PARAMETER
t
GIVRDL
TTL
t
t
t
t
X
CLLCLH
CCLCCH
RCLRCH
TCLTCH
X
1
2
FROM EXTERNAL
Figure 8. Input Port Timing
OPEN WHEN
IS DRIVEN
470
Figure 9. Clock Timing
DRIVING
SOURCE
V
CC
*
t
RDLGII
INDUSTRIAL SC26C562
Min
25
25
50
50
55
55
55
55
12
INDUSTRIAL SC26C562
0
0
0
0
Min
X
X
20
40
1
2
14.7456
14.7456
Typ
C
C
L1
L2
Max
Max
16.0
8
8
8
4
LIMITS
NOTE: C
CRYSTAL
MANUFACTURER’S REQUIREMENTS, AND SHOULD
INCLUDE C
LIMITS
X
X
1
2
COMMERCIAL SC26C562
COMMERCIAL SC26C562
Min
25
25
45
45
50
50
50
50
C
C
0
0
0
0
L1
P1
P2
P1
Min
AND C
20
40
AND C
14.7456
14.7456
L2
Typ
P2
SD00242
VALUES DEPEND ON
C
C
50-150k
P1
P2
= 7-12pF
= 12-17pF
Max
SC26C562
Max
16.0
10
10
10
Product specification
5
2
SC26C562
UNIT
UNIT
TO
CDUSCC
CIRCUITS
MHz
MHz
MHz
MHz
MHz
SD00243
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns