DS26518GNB1+ Maxim Integrated Products, DS26518GNB1+ Datasheet - Page 304

• Manufacturer Part Number: DS26518GNB1+
• Description: IC TXRX T1/E1/J1 8PRT 256-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of DS26518GNB1+

• 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

14.
The DS26518 IEEE 1149.1 design supports the standard instruction codes SAMPLE:PRELOAD, BYPASS, and
EXTEST. Optional public instructions included are HIGHZ, CLAMP, and IDCODE. See
contains the following as required by IEEE 1149.1 Standard Test Access Port and Boundary Scan Architecture.
The Test Access Port has the necessary interface pins: JTRST , JTCLK, JTMS, JTDI, and JTDO. See the pin
descriptions for details.
Figure 14-1. JTAG Functional Block Diagram
JTAG BOUNDARY SCAN AND TEST ACCESS PORT
Test Access Port (TAP)
TAP Controller
Instruction Register
10k Ω
V
DD
JTDI
10k Ω
V
DD
JTMS
TEST ACCESS PORT
BOUNDRY SCAN
IDENTIFICATION
CONTROLLER
INSTRUCTION
REGISTER
REGISTER
REGISTER
REGISTER
BYPASS
JTCLK
304 of 312
10k Ω
V
DD
JTRST
Bypass Register
Boundary Scan Register
Device Identification Register
SELECT
OUTPUT ENABLE
MUX
Table
JTDO
14-1. The DS26518