ds21ft40 Maxim Integrated Products, Inc., ds21ft40 Datasheet - Page 81

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

MOTOROLA BUS AC TIMING (BTS = 1 / MUX = 1) Figure 17-3
INTEL BUS READ AC TIMING (BTS=0 / MUX=0) Figure 17-4
AD0-AD7
AD0-AD7
A0 to A7
D0 to D7
(write)
(read)
CS*
WR*
CS*
RD*
R/W*
AS
DS
PW EL
t ASD
0ns min.
t1
Address Valid
t
t ASL
ASL
PW
t
AHL
0ns min.
t
ASH
AHL
t2
75ns max.
t RWS
t ASED
t3
t CS
81 of 87
t
DDR
Data Valid
5ns min. / 20ns max.
t CYC
t
DSW
t4
PW EH
0ns min.
t CH
t5
t
t
DHW
DHR
t
RWH
DS21FT40