MT90840AP Zarlink, MT90840AP Datasheet - Page 52

• Manufacturer Part Number: MT90840AP
• Description: Switch Fabric 512 x 2430/512 x 512/2.373K x 2.373K 5V 84-Pin PLCC Tube
• Manufacturer: Zarlink

Specifications of MT90840AP

• Package: 84PLCC
• Number Of Ports: 16
• Fabric Size: 512 x 2430|512 x 512|2.373K x 2.373K
• Switch Core: Non-Blocking
• Port Speed: 8.192|4.096|2.048 Mbps
• Operating Supply Voltage: 5 V

** In TM2 and TM3 operation at 8.192 Mbps, the F0 output signal is clocked by the C4/8R1 input reference provided by
F0o output
(8 kHz)
C4/8R1**
(8.192 MHz
reference)
STo0-7
F0o output
(8 kHz)
C4/8R1**
(8.192 MHz
reference)
STo0-7
STi0-7
STi0-7
the user. (In 8.192 Mbps applications, the SPCKo output signal is not used.)
Figure 24 - Serial Port Timing for 8.192 Mbps - Timing Modes 2 and 3
bit 0, ch.127
t
t
bit 0, ch.127
t
t
t
df
t
Frame Sync with Negative Polarity (SPFP = 0)
Frame Sync with Positive Polarity (SPFP = 1)
df
t
t
sod
sod
Zarlink Semiconductor Inc.
t
t
clkh
clkh
MT90840
t
t
stis
stis
t
t
clk
clk
bit 7
bit 7
52
bit 7, ch. 0
bit 7, ch. 0
t
t
df
stih
t
t
t
stih
clkl
clkl
t
df
bit 6, ch. 0
bit 6, ch. 0
Data Sheet