PXB4220E Infineon Technologies AG, PXB4220E Datasheet - Page 266

• Manufacturer Part Number: PXB4220E
• Description: Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

Table 51
No.
1
2
3
4
5
6
7
8
9
9A
Data Sheet
Parameter
Delay RMCLK rising to RMADR
Delay RMCLK rising to RMADC
Delay RMCLK rising to RMOE
Delay RMCLK rising to RMWR
Delay RMCLK rising to RMCS
Setup time RMDAT before RMCLK
rising (all read cycles)
Hold time RMDAT after RMCLK rising
(all read cycles)
Delay RMCLK falling to RMDAT low
impedance (write cycle W1)
Delay RMCLK rising to RMDAT
(write cycles W2 to W5)
Delay RMCLK falling to RMDAT high
impedance (write cycle W5)
Delay CLOCK to RMCLK
T
F
RMCLK
RMCLK
RAM Interface AC Timing Characteristics
: Period RMCLK
: Frequency RMCLK
266
PXB 4219E, PXB 4220E, PXB 4221E
Min
1
1
1
1
1
11
0
0
6
0
6
Limit Values
Typ
T
F
Electrical Characteristics
CLOCK
CLOCK
Max
11
7
7
7
7
8
12
8
12
IWE8, V3.4
2003-01-20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns