MT90840AP Zarlink, MT90840AP Datasheet - Page 47

• 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

Note: In TM2 with SFDI=1, C4/8R1 may have reversed polarity from that shown.
C4/8R1
(4.096 MHz)
STo0-7
STi0-7
F0i input
(8 kHz)
Foi input
(8 kHz)
C4/8R1
(4.096 MHz)
STi0-7
STo0-7
Figure 18 - Serial Port Timing for 2.048 Mbps Operation - TM2 (SFDi = 1) and TM1
bit 0, ch. 31
t
T
bit 0, ch. 31
bit 0, ch. 31
t
bit 0, ch. 31
t
t
clkh
Serial Port with Negative Polarity F0 (ST-BUS)
t
Serial Port with Positive Polarity F0 (GCI)
frs
t
sod
t
clk
t
t
Zarlink Semiconductor Inc.
frw
sod
t
clkh
t
t
clkl
t
frh
frs
MT90840
t
clk
47
t
frw
t
clkl
bit 7, ch. 0
t
frh
t
bit 7, ch. 0
stis
t
stis
bit 7, ch. 0
bit 7, ch. 0
t
stih
t
stih
bit 6, ch. 0
Data Sheet