DS21Q55N Maxim Integrated Products, DS21Q55N Datasheet - Page 226

• Manufacturer Part Number: DS21Q55N
• Description: Framer E1/J1/T1 3.3V 256-Pin BGA
• Manufacturer: Maxim Integrated Products

Specifications of DS21Q55N

• Package: 256BGA
• Number Of Transceivers: 4
• Standard Framing Format: E1|J1|T1
• Maximum Supply Current: 75(Typ) mA
• Minimum Single Supply Voltage: 3.135 V
• Maximum Single Supply Voltage: 3.465 V

33.2 Nonmultiplexed Bus AC Characteristics
AC CHARACTERISTICS: NONMULTIPLEXED PARALLEL PORT (MUX = 0)
(Figure
(V
Setup Time for A0 to A7, Valid to CS
Active
Setup Time for CS Active to Either RD,
WR, or DS Active
Delay Time from Either RD or DS Active
to Data Valid
Hold Time from Either RD, WR, or DS
Inactive to CS Inactive
Hold Time from CS Inactive to Data Bus
Tri-State
Wait Time from Either WR or DS Active
to Latch Data
Data Setup Time to Either WR or DS
Inactive
Data Hold Time from Either WR or DS
Inactive
Address Hold from Either WR or DS
Inactive
DD
= 3.3V ±5%, T
33-4,
PARAMETER
Figure
A
= 0°C to +70°C for DS21Q55; V
33-5,
Figure
33-6, and
Figure
SYMBOL
t1
t2
t3
t4
t5
t6
t7
t8
t9
226 of 237
DD
33-7)
= 3.3V ±5%, T
CONDITIONS
A
= -40°C to +85°C; for DS21Q55N.)
MIN
75
10
10
10
0
0
0
5
TYP
MAX
75
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns