參數(shù)資料
型號: DS2187
廠商: DALLAS SEMICONDUCTOR
元件分類: 數(shù)字傳輸電路
英文描述: Receive Line Interface(接收線接口)
中文描述: DATACOM, PCM TRANSCEIVER, PDIP18
封裝: 0.300 INCH, DIP-18
文件頁數(shù): 7/9頁
文件大?。?/td> 85K
代理商: DS2187
DS2187
022798 7/9
ANALOG ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C, V
DD
= 5V
±
5%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Clock Acquisition
t
LOCK
50
ms
1
RTIP, RRING Minimum Sensitivity
V
THRES
.4
.6
V
pk
2
FLL Loop Bandwidth
f
BW
50
Hz
3
Capture Range
f
CAP
±
6
%
4
Input Jitter Tolerance
J
IN
200
UI
5
NOTES:
1. Time from reappearance of a valid signal at RPOS and RNEG to a LOCK=1.
2. Minimum peak voltage necessary for proper processing of signal.
3. Loop bandwidth when in lock (LOCK=1).
4. When out–of–lock (LOCK=0); measured as a percent of incoming clock frequency.
5. Maximum input jitter in unit intervals at 10 Hz.
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
C
IN
5
pF
Output Capacitance
C
OUT
7
pF
AC ELECTRICAL CHARACTERISTICS
(0
°
to 70
°
C, V
DD
= 5V
±
5%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
RCLK Period
t
RCLK
594
648
702
ns
1,3
RCLK Period
t
RCLK
445
488
530
ns
2,3
RCLK Pulse Width
t
RWH
,
t
RWL
324
ns
1
RCLK Pulse Width
t
RWH
,
t
RWL
244
ns
2
RCLK Rise and Fall Time
t
R
, t
F
20
ns
Propagation Delay RCLK to
RPOS, RNEG
t
PRD
75
ns
Propagation Delay RCLK to BPV,
RCL, AIS
t
PRA
75
ns
RAIS Setup
t
SU
,t
HD
50
ns
NOTES:
1. T1 applications (RCLKSEL=0).
2. CEPT applications (RCLKSEL=1).
3. Minimum and maximum limits shown reflect changes in DPLL divide ratio as required to track jitter.
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