ak2548 AKM Semiconductor, Inc., ak2548 Datasheet - Page 12

• Manufacturer Part Number: ak2548
• Description: 7 Channel E1 Transceiver - Asahi Kasei Microsystems
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
AC CHARACTERISTICS(Clock/Data)
Clock Frequency
Clock Pulse Width
Clock Pulse Width
Duty Cycle
Setup/Hold Time
Setup/Hold Time
Rise Time
Fall Time
Note1) Duty Cycle:(t
Note2) Drive 15pF Load Capacitance
C0028-E-00
Parameter
pwho
/( t
pwho
+t
pwlo
MCLK
TCLK
RCLK
RCLK
TCLK
RCLK
RPOS
RNEG
TCLK
TPOS
TNEG
RCLK
RPOS
RNEG
TCLK
TPOS
TNEG
))×100%
Symbol
t
t
t
t
t
t
pwho
fci
pwhi
pwlo
t
t
pwli
su1
su2
t
t
h1
h2
r
f
12
2. 047795
32.76472
Min
150
50
2. 048000
32.76800
Typ
244
244
50
2.048204
32.77127
Max
100
40
Units Condition
MHz
MHz
ns
ns
ns
ns
ns
ns
%
±100ppm
Refer to Fig.2
Refer to Fig.1
Note1
Refer to Fig.1
Refer to Fig.2
Refer to Fig.3
Note2
Refer to Fig.3
Note2
[AK2548]
1999/9