CS61884-IQZ Cirrus Logic Inc, CS61884-IQZ Datasheet - Page 59

• Manufacturer Part Number: CS61884-IQZ
• Description: IC,PCM TRANSCEIVER,OCTAL,CEPT PCM-30/E-1,QFP,144PIN,PLASTIC
• Manufacturer: Cirrus Logic Inc

Specifications of CS61884-IQZ

• Rohs Compliant: YES

19.7 Master Clock Switching Characteristics
19.8 Transmit Switching Characteristics
19.9 Receive Switching Characteristics
* All parameters guaranteed by production, characterization or design.
Notes: 20. Output load capacitance = 50pF.
DS485F1
MASTER CLOCK (MCLK)
Master Clock Frequency
Master Clock Frequency
Master Clock Tolerance
Master Clock Duty Cycle
E1 TCLK Frequency
E1 TPOS/TNEG Pulse Width (RZ Mode)
T1/J1 TCLK Frequency
TCLK Tolerance (NRZ Mode)
TCLK Duty Cycle
TCLK Pulse Width
TCLK Burst Rate
TPOS/TNEG to TCLK Falling Setup Time (NRZ Mode)
TCLK Falling to TPOS/TNEG Hold time (NRZ Mode)
TXOE Asserted Low to TX Driver HIGH-Z
TCLK Held Low to Driver HIGH-Z
RCLK Duty Cycle
E1 RCLK Pulse Width
E1 RPOS/RNEG Pulse Width (RZ Mode
E1 RPOS/RNEG to RCLK rising setup time
E1 RPOS/RNEG to RCLK hold time
T1/J1 RCLK Pulse Width
T1/J1 RPOS/RNEG Pulse Width (RZ Mode)
T1/J1 POS/RNEG to RCLK rising setup time
T1/J1 RPOS/RNEG to RCLK hold time
RPOS/RNEG Output to RCLK Output (RZ Mode)
Rise/Fall Time, RPOS, RNEG, RCLK, LOS outputs
21. MCLK is not active.
22. Parameters guaranteed by design and characterization.
Parameter
Parameter
Parameter
T1/J1 Modes
E1 Modes
Note
Note
22
21
t
Symbol
Symbol
pwh2
Symbol
MCLK
MCLK
1/t
1/t
t
t
t
t
t
su2
r
t
t
h2
su
su
, t
pw2
pw2
-
-
h
h
/t
f
pw2
Min.
-100
Min.
Min.
236
196
200
150
200
259
250
150
200
-50
20
25
25
40
40
8
-
-
-
-
-
-
-
1.544
2.048
1.544
2.048
Typ
Typ
Typ
244
324
244
244
244
244
324
324
324
50
12
50
-
-
-
-
-
-
-
-
-
+100
Max
Max
Max
252
328
300
388
400
60
50
90
20
20
60
10
85
1
-
-
-
-
-
-
-
-
-
CS61884
Units
Units
Units
PPM
MHz
MHz
MHz
MHz
MHz
ppm
nS
nS
nS
nS
µS
µS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
%
%
%
59