Datasheet

DS21Q59 Quad E1 Transceiver
69 of 76
26.4 Receive AC Characteristics
Table 26-D. AC Characteristics—Receiver
(V
DD
= 3.3V ±5%, T
A
= 0°C to +70°C for DS21Q59L; V
DD
= 3.3V ±5%, T
A
= -40°C to +85°C for DS21Q59LN.)
(Figure 26-9
and Figure 26-10)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
(Note 1) 648
(Note 2) 488
(Note 3) 244
(Note 4) 122
SYSCLK Period t
SP
(Note 5) 61
ns
t
SH
20 0.5 t
SP
SYSCLK Pulse Width
t
SL
20 0.5 t
SP
ns
RSYNC Setup to SYSCLK Falling t
SU
20 ns
RSYNC Hold from SYSCLK Falling t
HD
20 ns
RSYNC Pulse Width t
PW
50 ns
Delay RCLK to RSER Valid t
D1
50 ns
Delay RCLK to RSYNC, OUTA, OUTB t
D2
50 ns
Delay SYSCLK to RSER Valid t
D3
22 ns
Delay SYSCLK to RSYNC, OUTA,
OUTB
t
D4
22 ns
Note 1: SYSCLK = 1.544MHz.
Note 2: SYSCLK = 2.048MHz.
Note 3: SYSCLK = 4.096MHz.
Note 4: SYSCLK = 8.192MHz.
Note 5: SYSCLK = 16.384MHz.