DS26518GN+ Maxim Integrated Products, DS26518GN+ Datasheet - Page 266
![IC TXRX T1/E1/J1 8PORT 256-CSBGA](/photos/6/50/65053/256-csbga_21-0315_sml.jpg)
DS26518GN+
Manufacturer Part Number
DS26518GN+
Description
IC TXRX T1/E1/J1 8PORT 256-CSBGA
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Specifications of DS26518GN+
Number Of Drivers/receivers
8/8
Protocol
T1/E1/J1
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
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Note 1:
Note 2:
Note 3:
Note 4:
13.
Unless otherwise noted, all timing numbers assume 20pF test load on output signals, 40pF test load on bus
signals.
13.1
13.1.1 SPI Bus Mode
Table 13-1. SPI Bus Mode Timing
(See
SYMBOL
(Note 1)
t4, t5
t10
Figure
t1
t2
t3
t6
t7
t8
t9
AC TIMING CHARACTERISTICS
Microprocessor Bus AC Characteristics
Symbols refer to dimensions in
100pF load on all SPI pins.
Hold time to high-impedance state.
With 100pF on all SPI pins.
13-1.)
Operating Frequency
Slave
Cycle Time: Slave
Enable Lead Time
Enable Lag Time
Clock (CLK) Duty Cycle
Slave (t4/t1 or t5/t1)
Data Setup Time (Inputs)
Slave
Data Hold Time (Inputs)
Slave
Disable Time, Slave (Note 3)
Data Valid Time, After Enable Edge
Slave (Note 4)
Data Hold Time, Outputs, After Enable Edge
Slave
CHARACTERISTIC (Note 2)
Figure
13-1.
266 of 286
SYMBOL
f
t
t
t
BUS(S)
t
LEAD(S)
CLKH(S)
t
t
t
CYC(S)
LAG(S)
DIS(S)
t
t
SU(S)
HD(S)
H(S)
V(S)
DS26518 8-Port T1/E1/J1 Transceiver
MIN
200
15
15
80
15
5
5
MAX
25
40
5
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
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