DS26528G+ Maxim Integrated Products, DS26528G+ Datasheet - Page 252

• Manufacturer Part Number: DS26528G+
• Description: IC TXRX T1/E1/J1 OCT 256-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS26528G+

• Number Of Drivers/receivers: 4/4
• Protocol: IEEE 1149.1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 256-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.
Unless otherwise noted, all timing numbers assume 20pF test load on output signals, 40pF test load on bus
signals.
12.1
Table 12-1. AC Characteristics—Microprocessor Bus Timing
(V
Figure
Setup Time for A[12:0] Valid to CSB
Active
Setup Time for CSB Active to Either RDB ,
or WRB Active
Delay Time from Either RDB or DSB
Active to D[7:0] Valid
Hold Time from Either RDB or WRB
Inactive to CSB Inactive
Hold Time from CSB or RDB or DSB
Inactive to D[7:0] Tri-State
Wait Time from WRB Active to Latch Data
Data Setup Time to WRB Inactive
Data Hold Time from WRB Inactive
Address Hold from WRB Inactive
Write Access to Subsequent Write/Read
Access Delay Time
Note 1:
Note 2:
DD
= 3.3V ±5%, T
12-4.)
AC TIMING CHARACTERISTICS
Microprocessor Bus AC Characteristics
The timing parameters in this table are guaranteed by design (GBD).
If supplying a 1.544MHz MCLK, the FREQSEL bit must be set to meet this timing.
PARAMETER
A
= -40°C to +85°C.) (Note 1) (See
SYMBOL
t10
t1
t2
t3
t4
t5
t7
t8
t9
t6
252 of 276
(Note 2)
(Note 2)
Figure
CONDITIONS
12-1,
Figure
DS26528 Octal T1/E1/J1 Transceiver
MIN
12-2,
40
10
80
0
0
0
5
2
0
Figure
TYP
12-3, and
MAX
125
20
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns