ak2548 AKM Semiconductor, Inc., ak2548 Datasheet - Page 17

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

ASAHI KASEI
AC CHARACTERISTICS(Serial Port)
Parameter
SDI Setup Time
SDI Hold Time
SCLK Low Time
SCLK High Time
SCLK Rise Time
SCLK Fall Time
CS Setup Time
CS Hold Time
CS Inactive Time
SCLK to SDO Valid
CS to SDO High Z
Notes) CL= 50pF. All of the timing is specified at 50%VDD.
Serial Port Input Timing
Serial Port Output Timing
C0028-E-00
SCLK
SCLK
SDI
SDO
CS
CS
tp7
High-Z
LSB
1
SCLK
tp4
2
tp3
tp5
tp1
3
tp2
Symbol
tp10
tp11
Tp8
tp1
tp2
tp3
tp4
tp5
tp6
tp7
tp9
8
tp10
1
9
tp6
min
100
100
100
25
25
20
20
—
—
—
—
10
2
17
typ
14
—
—
—
—
—
—
—
—
—
—
—
15
7
MSB
max
—
—
—
—
15
15
—
—
—
40
40
16
8
tp8
tp8
tp11
Units Condition
Ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tp9
High-Z
[AK2548]
1999/9