100398

更新时间： 2024-11-18 22:37:19

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
13页	120K
描述
Quad Differential ECL/TTL Translating Transceiver with Latch

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100398 数据手册

February 1992

Revised August 2000

100398

Quad Differential ECL/TTL Translating Transceiver

with Latch

General Description

Features

■ Differential ECL input/output structure

The 100398 is a quad latched transceiver designed to con-

vert TTL logic levels to differential F100K ECL logic levels

and vice versa. This device was designed with the capabil-

ity of driving a differential 25Ω ECL load with cutoff capabil-

ity, and will sink a 64 mA TTL load. The 100398 is ideal for

mixed technology applications utilizing either an ECL or

TTL backplane.

■ 64 mA FAST TTL outputs

■ 25Ω differential ECL outputs with cut-off

■ Bi-directional translation

■ 2000V ESD protection

■ Latched outputs

The direction of translation is set by the direction control

pin (DIR). The DIR pin on the 100398 accepts TTL logic

levels. A TTL LOW on DIR sets up the ECL pins as inputs

and TTL pins as outputs. A TTL HIGH on DIR sets up the

TTL pins as inputs and ECL pins as outputs.

■ 3-STATE outputs

■ Voltage compensated operating range = −4.2V to −5.7V

A LOW on the output enable input pin (OE) holds the ECL

output in a cut-off state and the TTL outputs at a high

impedance level. A HIGH on the latch enable input (LE)

latches the data at both inputs even though only one output

is enabled at the time. A LOW on LE makes the latch trans-

parent.

The cut-off state is designed to be more negative than a

normal ECL LOW level. This allows the output emitter-fol-

lowers to turn off when the termination supply is −2.0V, pre-

senting a high impedance to the data bus. This high

impedance reduces termination power and prevents loss of

low state noise margin when several loads share the bus.

The 100398 is designed with FAST TTL output buffers,

featuring optimal DC drive and capable of quickly charging

and discharging highly capacitive loads. All Inputs have

50 kΩ pull-down resistors.

Ordering Code:

Order Number Package Number

Package Description

100398PC

100398QC

100398QI

N24E

V28A

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide

28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square

Industrial Temperature Range (−40°C to +85°C)

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

FAST is a registered trademark of Fairchild Semiconductor.

DS010970

www.fairchildsemi.com

12 3 4 5 6 7...13

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10039845	AMPHENOL	获取价格	Card Edge Connector, 29 Contact(s), 1 Row(s), Female, Straight, Surface Mount Terminal, RO
10039845-001CLF	AMPHENOL	获取价格	Board Connector, 29 Contact(s), 1 Row(s), Female, Right Angle, 0.05 inch Pitch, Surface Mo
10039845-001C-TRLF	AMPHENOL	获取价格	Board Connector, 29 Contact(s), 1 Row(s), Female, Right Angle, 0.05 inch Pitch, Surface Mo
10039845-001LF	AMPHENOL	获取价格	Board Connector, 29 Contact(s), 1 Row(s), Female, Right Angle, Surface Mount Terminal, Rec
10039845-051LF	AMPHENOL	获取价格	Board Connector, 22 Contact(s), 1 Row(s), Female, Right Angle, Surface Mount Terminal, Rec
10039850-101	AMPHENOL	获取价格	Board Connector, 50 Contact(s), 9 Row(s), Female, Straight, 0.079 inch Pitch, Press Fit Te
10039850-101LF	AMPHENOL	获取价格	Board Connector, 50 Contact(s), 9 Row(s), Female, Straight, 0.079 inch Pitch, Press Fit Te
10039850-111	AMPHENOL	获取价格	Board Connector, 54 Contact(s), 9 Row(s), Female, Straight, 0.079 inch Pitch, Press Fit Te
10039850-111LF	AMPHENOL	获取价格	Board Connector, 54 Contact(s), 9 Row(s), Female, Straight, 0.079 inch Pitch, Press Fit Te
10039851-101LF	AMPHENOL	获取价格	Board Connector, 54 Contact(s), 9 Row(s), Male, Right Angle, 0.079 inch Pitch, Press Fit T

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