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SY100E337 Datasheet PDF

Micrel SY100E337

The SY10/100E337 are 3-bit registered bus transceivers with scan designed for use in new, high- performance ECL systems. The bus outputs (BUS0–BUS2) are designed to drive a 25Ω bus; the receive outputs (Q0–Q2) are designed for 50Ω. The bus outputs feature a normal logic HIGH level (VOH) and a cutoff LOW level of –2.0V and the output emitter-follower is “off”, presenting a high impedance to the bus.
Part No. SY100E337
Datasheet SY100E337 Download
Manufacturer
Micrel
Description 3-BIT SCANNABLE
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SY100E337 datasheet page 1 preview

FEATURES

s 1500ps max. clock to bus (data transmit) s 1000ps max. clock to Q (data receive) s Extended 100E VEE range of –4.2V to –5.5V s 25Ω cutoff bus outputs s 50Ω receiver outputs s Scannable implementation of E336 s Synchronous and asynchronous bus enables s Non-inverting data path s Bus outputs feature internal edge slow-down capacitors s Additional package ground pins s Fully compatible with industry standard 10KH, 100K ECL levels s Internal 75KΩ input pulldown resistors s Fully compatible with Motorola MC10E/100E337 s Available in 28-pin PLCC package PIN NAMES Pin A0–A2 B0–B2 S-IN TEN, REN SCAN ABUSDIS SBUSEN SYNCEN CLK BUS0–BUS2 Q0–Q2 VCCO Function Data Inputs A Data Inputs B Serial (Scan) Data Input LOAD/HOLD Controls Scan Control Asynchronous Bus Disable Synchronous Bus Enable Synchronous Enable Control Clock 25Ω Cutoff BUS Outputs Receive Data Outputs (Q2 serves as SCAN_OUT in scan mode) VCC to Output

DESCRIPTION

The bus outputs also feature edge slow-down capacitors. Both drive and receive sides feature the same logic, including a loopback path to hold data.
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