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W83768

更新时间：2024-09-18 02:12:17
品牌：WINBOND
描述：I/O COUPLER

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W83768 概述

I/O COUPLER I / O耦合器 其他接口集成电路

W83768 规格参数

生命周期：Obsolete零件包装代码：QFP
包装说明：QFP,针数：48
Reach Compliance Code：unknown风险等级：5.84
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：S-PQFP-G48
长度：10 mm标称负供电电压：-12 V
功能数量：1端子数量：48
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装形状：SQUARE封装形式：FLATPACK
认证状态：Not Qualified座面最大高度：1.78 mm
标称供电电压：5 V电源电压1-Nom：12 V
表面贴装：YES温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.75 mm
端子位置：QUAD宽度：10 mm
Base Number Matches：1

W83768 数据手册

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W83768  
I/O COUPLER  
GENERAL DESCRIPTION  
The W83768 is an I/O-coupler chip that includes six line drivers (1488), ten line receivers (1489), two  
timers (556), and one 244-type buffer block for game port signals. It also supports a power-down  
control circuit to reduce power consumption. This chip is intended for use with an I/O controller, and it  
is specifically designed to match the pin assignments of the Winbond Power I/O series. With this  
chip, engineers can easily design an all-in-one I/O circuit for personal computer systems without using  
any other TTL ICs.  
FEATURES  
· Six line drivers (1488), ten line receivers (1489), two timers (556), one buffer block for game port  
signals  
· Supports two RS232 serial ports and one game port control logic circuit  
· Power-down control function available  
· Four power supplies needed: 0V, +5V, +12V, and -12V  
· 48-pin QFP package  
PIN CONFIGURATION  
/
/
/
/
R
V
O
P
2
R
V
O
P
1
R
V
O
P
3
P
D
C
I
D
R
O
P
5
R
V
I
N
9
R
V
I
N
6
R
V
I
N
7
R
V
I
N
8
G
B
O
0
G
B
O
1
G
N
D
N
36 35 34 33 32 31 30 29 28 27 26 25  
-12V  
RVIN10  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
RVOP4  
DRIN1  
DROP4  
DRIN2  
DRIN3  
RVOP5  
DROP6  
RVIN1  
RVIN4  
GMRD  
DROP2  
RVIN3  
RVIN2  
RVIN5  
GMWR  
DRIN4  
DRIN5  
DRIN6  
DROP3  
DROP1  
RVOP6  
+5V  
1
2
3
/
4
5
6
7
8
9
10 11 12  
+
/
/
/
M
R
S
D
0
S
D
1
S
S
G
P
O
1
G
P
O
0
1
2
V
R
V
O
P
1
0
R
V
O
P
7
R
V
O
P
8
R
D D  
V
O
P
9
4
5
Publication Release Date: October 1994  
Revision A1  
- 1 -  
W83768  
PIN DESCRIPTION  
Power Pins  
PIN NO.  
36  
SYMBOL  
I/O  
DESCRIPTION  
GND  
VCC  
VDD  
VSS  
-
-
-
-
Ground  
48  
+5V Power  
+12V Power  
-12V Power  
12  
24  
Line Drivers  
PIN NO.  
38  
SYMBOL  
DRIN1  
DRIN2  
DRIN3  
DRIN4  
DRIN5  
DRIN6  
I/O  
DESCRIPTION  
I
I
Driver input 1  
Driver input 2  
Driver input 3  
Driver input 4  
Driver input 5  
Driver input 6  
Driver output 1  
39  
40  
I
44  
I
45  
I
46  
I
13  
O
DROP1  
DROP2  
DROP3  
DROP4  
DROP5  
DROP6  
18  
14  
22  
27  
21  
O
O
O
O
O
Driver output 2  
Driver output 3  
Driver output 4  
Driver output 5  
Driver output 6  
Line Receivers  
PIN NO.  
20  
SYMBOL  
RVIN1  
RVIN2  
RVIN3  
RVIN4  
RVIN5  
RVIN6  
RVIN7  
RVIN8  
RVIN9  
I/O  
DESCRIPTION  
I
I
I
I
I
I
I
I
I
Receiver input 1  
Receiver input 2  
Receiver input 3  
Receiver input 4  
Receiver input 5  
Receiver input 6  
Receiver input 7  
Receiver input 8  
Receiver input 9  
16  
17  
19  
15  
28  
26  
25  
29  
- 2 -  
W83768  
Line Receivers, continued  
PIN NO.  
23  
SYMBOL  
I/O  
I
DESCRIPTION  
RVIN10  
RVOP1  
Receiver input 10  
33  
I/O  
During normal operations, this pin works as receiver output  
#1. During power-on reset, this pin is used to select power-  
down control (PDC) mode enable level.  
When RVOP1 is set to high at power-on, PDC is high  
active. When RVOP1 is set to low at power-on, PDC is low  
active.  
34  
35  
37  
41  
47  
1
O
O
O
O
O
O
O
O
O
Receiver output 2  
Receiver output 3  
Receiver output 4  
Receiver output 5  
Receiver output 6  
Receiver output 7  
Receiver output 8  
Receiver output 9  
Receiver output 10  
RVOP2  
RVOP3  
RVOP4  
RVOP5  
RVOP6  
RVOP7  
RVOP8  
RVOP9  
RVOP10  
2
3
4
Game Port  
PIN NO.  
11  
SYMBOL  
GPO0  
I/O  
DESCRIPTION  
Game port RC constant (open drain)  
Game port RC constant (open drain)  
Game port button input  
I/O  
10  
GPO1  
I/O  
31  
GBO0  
I
I
I
30  
GBO1  
Game port button input  
42  
Game port read. This pin is internally pulled-up to make it  
convenient to disable the game port.  
GMRD  
43  
I
Game port write  
GMWR  
Control Signals  
PIN NO.  
SYMBOL  
I/O  
DESCRIPTION  
5
MR  
I
I
Master reset signal input  
32  
PDCIN  
This pin is used to enable/disable the power-down function.  
The active level of this pin depends on how pin RVOP1 is  
programmed at power-on. If RVOP1 is set high at power-  
on, for example, then setting PDCIN to high will cause the  
W83768 to enter power-down mode.  
Publication Release Date: October 1994  
- 3 -  
Revision A1  
W83768  
Data Bus  
PIN NO.  
SYMBOL  
SD0  
I/O  
O
DESCRIPTION  
6
7
8
9
System data bit 0  
System data bit 1  
System data bit 4  
System data bit 5  
SD1  
O
SD4  
O
SD5  
O
BLOCK DIAGRAM  
GBO0  
GBO1  
GPO0  
GPO1  
GPO0'  
GPO1'  
SD0, SD1  
SD4, SD5  
74244  
556  
GMRD  
GMWR  
LINE DRIVER  
1488  
DRIN1-6  
DROP1-6  
RVIN1-10  
LINE RECEIVER  
1489  
RVOP1-10  
FUNCTIONAL DESCRIPTION  
Block 74244  
This 244-type block functions as a buffer for reading game port buttons GBO0 and GBO1 and the  
status of block 556 output signals GPO0' and GPO1' on data bits 4, 5, 0, and 1, respectively.  
Block 556  
This block contains two independent 555-type timing circuits that are used to generate two separate  
one-shot signals. With these two one-shot pulses, the RC inputs of the game port can easily be  
measured. The GMWR signal is the trigger signal of block 556.  
- 4 -  
W83768  
Line Driver Block 1488  
This block contains six line drivers that are designed to serve as an interface between data terminal  
equipment and data communications equipment in conformance with the specifications of EIA  
standard RS-232C. The power requirements are +12V, 0V, and -12V.  
Line Receiver Block 1489  
This block contains ten line receivers that are designed to serve as an interface between data  
terminal equipment and data communications equipment in conformance with the specifications of  
EIA standard RS-232C. The power requirements are +12V, 0V, and -12V.  
Power-Down Control Mode  
When pin PDCIN is set active (active high or low determined by RVOP1 at power-on reset), the  
W83768 enters power-down mode, and all output buffers (SD0, SD1, SD4, SD5, RVOP1- 10 ,  
DROP1- 6 ) will enter tri-state to reduce power consumption.  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
RATING  
0 to 5.5  
UNIT  
Power Supply Voltage  
Input Voltage  
GND, VCC  
VSS, VDD  
V
-13 to 13  
-0.5 to 7.0  
-12 to 12  
0 to 70  
Low Voltage  
High Voltage  
V
Operating Temperature  
Storage Temperature  
°C  
°C  
-55 to 150  
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the  
device.  
DC CHARACTERISTICS  
Ta = 0° C to +70° C, VCC = 5V, VDD = 12V, VSS = -12V, GND = 0V  
PARAMETER  
Input low voltage  
Input high voltage  
Input low voltage  
SYMBOL  
VIL (TTL)  
MIN.  
MAX.  
NOTES  
MR, GMRD, GMWR  
MR, GMRD, GMWR  
-0.3V  
+0.6V  
VIH (TTL)  
VIL (CMOS)  
+2.4V VCC +0.3V  
-0.3V 0.2 VCC  
DRIN1- 6, GBO0- 1, GPO0- 1,  
PDCIN  
Publication Release Date: October 1994  
Revision A1  
- 5 -  
W83768  
DC Characteristics, continued  
PARAMETER  
SYMBOL  
MIN.  
MAX.  
NOTES  
Input high voltage  
VIH (CMOS)  
+3.9V  
VCC  
DRIN1- 6, GBO0- 1, GPO0- 1,  
+0.3V  
PDCIN  
Input low voltage  
Input high voltage  
Output low voltage  
VIL (HI-V)  
VIH (HI-V)  
VOL  
VSS  
2V  
-
GND  
VDD  
RVIN1- 10  
RVIN1- 10  
0.4V  
RVOP1- 10 , SD0, SD1, SD4, SD5  
RVOP1- 10 , SD0, SD1, SD4, SD5  
DROP1- 6  
Output high voltage  
Output low voltage  
Output high voltage  
VOH  
+2.4V  
VSS  
-
VOL (HI-V)  
VOH (HI-V)  
-2V  
VDD  
+2V  
DROP1- 6  
CURRENT LEVEL  
MIN.  
SYMBOL  
MAX.  
TYP.  
IIL  
IIH  
IOL  
IOH  
IOL  
IOH  
MR  
-
-
-
-
-
-
-
-
-
-
-
-
-20 mA  
-20 mA  
-20 mA  
3 mA  
3 mA  
3 mA  
PDCIN  
GMRD , GMWR  
GBO0, GBO1  
RVIN1- 10  
-
-
-
-
-20 mA  
3 mA  
-1 mA  
-
-
-
-
3 mA  
GPO0, GPO1  
SD0, SD1, SD4, SD5  
-
-
-
-
-
-
1.5 mA  
5.5 mA  
2 mA  
-
2 mA  
8 mA  
3 mA  
-
4 mA  
2 mA  
6 mA  
3 mA  
RVOP1- 10  
DROP1- 6  
-
-
10 mA  
10 mA  
14 mA  
16 mA  
AC CHARACTERISTICS  
PARAMETER  
1488 tpLH  
SYMBOL  
MIN.  
TYP.  
60  
MAX.  
90  
UNIT  
nS  
-
-
DRIN1- 6  
1488 tpHL  
60  
90  
nS  
DROP1- 6  
RVIN1- 10  
1489 tpLH  
1489 tpHL  
-
-
60  
60  
90  
90  
nS  
nS  
RVOP1- 10  
tD  
SD0, SD1, SD4, SD5  
-
90  
120  
nS  
- 6 -  
W83768  
TIMING WAVEFORMS  
Driver Timing  
+5V  
0V  
IN  
DRIN1-6  
tpLH  
tpHL  
DROP1-6  
OUT  
+12V  
-12V  
Receiver Timing  
+12V  
IN  
RVIN1-10  
-12V  
tpLH  
tpHL  
RVOP1-10  
OUT  
+5V  
0V  
Timer Timing  
GMWR  
CV= 3.3V  
GPO0  
GPO1  
GPO0'  
GPO1'  
T= RC  
GMRD  
tD  
SD0, SD1  
SD4, SD5  
Floating  
Floating  
Data Valid  
Publication Release Date: October 1994  
Revision A1  
- 7 -  
W83768  
PACKAGE DIMENSIONS  
48-lead QFP  
H D  
D
37  
48  
Dimension in inch  
Min. Nom. Max.  
Dimension in mm  
Min. Nom. Max.  
1.78  
Symbol  
A
0.070  
---  
---  
---  
---  
---  
---  
---  
0.004  
0.10  
---  
1
A
36  
1
0.052 0.057 0.062  
1.32  
0.28  
0.10  
9.87  
9.87  
0.60  
1.45  
0.33  
1.58  
0.43  
0.25  
10.13  
2
A
0.011 0.013  
0.006  
0.017  
0.010  
b
c
D
E
e
0.15  
0.004  
E
HE  
0.389 0.394 0.399  
10.00  
0.394 0.399  
0.036  
10.00 10.13  
0.75 0.90  
0.389  
0.024  
0.642  
0.642 15.70 16.00 16.30  
0.618 0.630  
15.70 16.00 16.30  
D
H
H
L
L
y
25  
12  
0.618  
0.067 0.075  
0.630  
E
0.083  
0.126  
0.006  
15  
1.70  
2.79  
1.90  
3.00  
2.10  
3.20  
0.118  
0.110  
---  
1
0.15  
15  
---  
---  
---  
0
---  
---  
13  
24  
e
b
0
0
Notes:  
c
1. Dimensions D & E do not include interlead  
flash.  
2. Dimension b does not include dambar  
protrusion/intrusion.  
A
A
2
A 1  
3. Controlling dimension: Millimeters  
4. General appearance spec. should be based  
on final visual inspection spec.  
See Detail F  
L
y
Seating Plane  
L 1  
Detail F  
Winbond Electronics (H.K.) Ltd.  
Winbond Electronics North America Corp.  
Headquarters  
Rm. 803, World Trade Square, Tower II, Winbond Memory Lab.  
No. 4, Creation Rd. III,  
Science-Based Industrial Park,  
Hsinchu, Taiwan  
TEL: 886-3-5770066  
FAX: 886-3-5792646  
123 Hoi Bun Rd., Kwun Tong,  
Winbond Microelectronics Corp.  
Winbond Systems Lab.  
Kowloon, Hong Kong  
TEL: 852-27516023  
FAX: 852-27552064  
2730 Orchard Parkway, San Jose,  
CA 95134, U.S.A.  
TEL: 1-408-9436666  
FAX: 1-408-9436668  
http://www.winbond.com.tw/  
Voice & Fax-on-demand: 886-2-7197006  
Taipei Office  
11F, No. 115, Sec. 3, Min-Sheng East Rd.,  
Taipei, Taiwan  
TEL: 886-2-7190505  
FAX: 886-2-7197502  
Note: All data and specifications are subject to change without notice.  
- 8 -  

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