參數(shù)資料
型號： MC10H680FNR2
廠商： ON SEMICONDUCTOR
元件分類： 通用總線功能
英文描述： 4-Bit Differential ECL Bus/TTL Bus Transceciver
中文描述： QUAD TTL TO ECL TRANSCEIVER, COMPLEMENTARY OUTPUT, PQCC28
封裝： PLASTIC, LCC-28
文件頁數(shù)： 1/8頁
文件大小： 133K
代理商： MC10H680FNR2
SEMICONDUCTOR TECHNICAL DATA
2–144
REV 6
Motorola, Inc. 1996
9/96
The MC10H/100H680 is a dual supply 4–bit differential ECL bus to TTL
bus transceiver. It is designed to allow the system designer to no longer be
limited in bus speed associated with standard TTL busses. Using a
differential ECL Bus will increase the frequency of operation and increase
noise immunity.
Both the TTL and the ECL ports are capable of driving a bus. The ECL
outputs have the ability to drive 25
, allowing both ends of the bus line to be
terminated in the characteristic impedance of 50
. The TTL outputs are
specified to source 15 mA and sink 48 mA, allowing the ability to drive highly
capacitive loads.
The ECL output levels are VOH approximately equal to –1.0 V and VOL
cutoff equal to –2.0 V (VTT). When the ECL ports are disabled both EIOx and
EIOxB go to the VOL cutoff level. The ECL input receivers have special
circuitry which detects this disabled condition, prevents oscillation, and
forces the TTL output to the low state. The noise margin in this disabled state
is greater than 600 mV. Multiple ECL VCCO pins are utilized to minimize
switching noise.
The TTL ports have standard levels. The TTL input receivers have PNP
input devices to significantly reduce loading. Multiple TTL power and ground
pins are utilized to minimize switching noise.
The control pins (EDIR and ECEB) of the 10H version is compatible with
MECL 10H ECL logic levels. The control pins of the 100H version are
compatible with 100K levels.
Differential ECL Bus (25
) I/O Ports
High Drive TTL Bus I/O Ports
Extra TTL and ECL Power/Ground Pins to Minimize
Switching Noise
Dual Supply
Direction and Chip Enable Control Pins
Pinout: 28–Lead PLCC
(Top View)
T
G
V
G
T
T
E
E
E
E
E
VC
V
VC
1
5
6
7
8
9
10
11
25
24
23
22
21
20
19
26
27
28
2
3
4
12
13
14
15
16
17
18
T101
GT2
VT1
GT1
TIO0
TDIR
EDIR
EIO3B
VCCO4
EIO3
VCCE
EIO2B
VCCO3
EIO2
PIN DESCRIPTIONS
Pin
Symbol
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
GT1
TIO0
TDIR
EDIR
EIO0
VCCO1
EIO0B
VEE
EIO1
VCCO2
EIO1B
EIO2
VCCO3
EIO2B
VCCE
EIO3
VCCO4
EIO3B
ECEB
TCEB
TIO3
GT4
VT2
GT3
TIO2
TIO1
GT2
VT1
TTL Ground 1
TTL I/O Bit 0
TTL Direction Control
ECL Direction Control
ECL I/O Bit 0
ECL VCC 1 (0V) – Outputs
ECL I/O Bit 0 Bar
ECL Supply (–5.2/–4.5V)
ECL I/O Bit 1
ECL VCC 2 (0V) – Outputs
ECL I/O Bit 1 Bar
ECL I/O Bit 2
ECL VCC 3 (0V) – Outputs
ECL I/O Bit 2 Bar
ECL VCC (0V)
ECL I/O Bit 3
ECL VCC 4 (0V) – Outputs
ECL I/O Bit 3 Bar
ECL Chip Enable Bar Control
TTL Chip Enable Bar Control
TTL I/O Bit 3
TTL Ground 4
TTL Supply 2 (5V)
TTL Ground 3
TTL I/O Bit 2
TTL I/O Bit 1
TTL Ground 2
TTL Supply 1 (5V)
FN SUFFIX
PLASTIC PACKAGE
CASE 776–02
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MC10H680FNR2G 功能描述:總線收發(fā)器 4-Bit Diff ECL / TTL Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
MC10LVEP11D 功能描述:時鐘緩沖器 2.5V/3.3V ECL 1:2 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
MC10LVEP11DG 功能描述:時鐘緩沖器 2.5V/3.3V ECL 1:2 Diff Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
MC10LVEP11DR2 功能描述:時鐘緩沖器 2.5V/3.3V ECL 1:2 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
MC10LVEP11DR2G 功能描述:時鐘緩沖器 2.5V/3.3V ECL 1:2 Diff Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel
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