ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 85

• Manufacturer Part Number: ds21ft40
• Description: Ds21ft40 Four X Three 12 Channel E1 Framer
• Manufacturer: Maxim Integrated Products, Inc.

TRANSMIT SIDE AC TIMING Figure 17-11
TRANSMIT SYSTEM SIDE AC TIMING Figure 17-12
TRANSMIT LINE INTERFACE SIDE AC TIMING Figure 17-13
T S Y N C
T S Y N C
Notes:
1. TSYNC is in the output mode (TCR1.0 = 1).
2. TSYNC is in the input mode (TCR1.0 = 0).
3. TSER is sampled on the falling edge of TCLK when the transmit side elastic store is disabled.
Notes:
1. TSER is only sampled on the falling edge of TSYSCLK when the transmit side elastic store is enabled.
TPOS, TNEG
T C L K
T S E R
T S Y S C L K
T S S Y N C
T S E R
TCLK
1
2
t
R
t
R
t
R
t D 2
t
F
t S U
t DD
t
F
t S U
F t
t SU
t
S U
t
H D
t
H D
t H D
85 of 87
t
C L
t
S L
t
C P
t
CL
t
S P
t
C H
t
t
S H
CP
t
CH
DS21FT40