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參數(shù)資料
| 型號： | NTE6821 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Peripheral Interface Adapter (PIA), NMOS, 1MHz |
| 中文描述： | 集成電路外設(shè)接口適配器（PIA）的，NMOS管，1MHz的 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 45K |
| 代理商： | NTE6821 |
NTE6821
Integrated Circuit
Peripheral Interface Adapter (PIA),
NMOS, 1MHz
Description:
The NTE6821 is a peripheral interface adapter (PIA) in a 40–Lead DIP type package capable of inter-
facing the Microprocessing Unit (MPU) to peripherals through two 8–Bit bidirectional peripheral data
buses and four control lines. No external logic is required for interfacing to most peripheral devices.
The functional configuration of the PIA is programmed by the MPU during system initialization. Each
of the peripheral data lines can be programmed to act as an input or output, and each of the four con-
trol/interrupt lines may be programmed for one of several control modes. This allows a high degree
of flexibility in the over–all operation of the interface.
Features:
8–Bit Bidirectional Data Bus for Communication with the MPU
Two Bidirectional 8–Bit Buses for Interface to Peripherals
Two Programmed Control Registers
Two Programmed Data Direction Registers
Four Individually–Controlled Interrupt Input Lines; Two Usable as Peripheral Control Outputs
Handshake Control Logic for Input and Output Peripheral Operation
High–Impedance 3–State and Direct Transistor Drive Peripheral Lines
Program Controlled Interrupt and Interrupt Disable Capability
CMOS Drive Capability on Side A Peripheral Lines
Two TTL Drive Capability on All A and B Side Buffers
TTL Compatible
Static Operation
Absolute Maximum Ratings:
(Note 1)
Supply Voltage, V
CC
Input Voltage, V
in
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction to Ambient, R
Θ
JA
Note 1. This device contains circuitry to protect the inputs against damage due to high static voltages
or electric fields; however, it is advised that normal precautions be taken to avoid application
of any voltage higher than maximum rated voltages to this high impedance.
–0.3 to +7V
–0.3 to +7V
0
°
to +70
°
C
–55
°
to +150
°
C
82.5
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NTE6850 | 制造商:NTE Electronics 功能描述:IC - NMOS ASYNCHRONOUS COMMUNICATIONS INTERFACE ADAPTER 24 LEAD DIP 制造商:NTE Electronics 功能描述:IC INTERFACE ADAPTER 5.25V DIP-24 制造商:NTE Electronics 功能描述:IC, INTERFACE ADAPTER, 5.25V, DIP-24 制造商:NTE Electronics 功能描述:IC, INTERFACE ADAPTER, 5.25V, DIP-24; IC Interface Type:Serial; Interface Applications:-; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Digital IC Case Style:DIP; No. of Pins:24; Operating Temperature Min:0C 制造商:NTE Electronics 功能描述:Asynchronous Communications Interface Adapter 24-Pin PDIP |
| NTE6860 | 制造商:NTE Electronics 功能描述: |
| NTE6875 | 制造商:NTE Electronics 功能描述:IC, GENERATOR/DRIVER, DIP-16; Clock IC Type:Clock Generator; Digital IC Case Style:DIP; No. of Pins:16; IC Interface Type:-; Mounting Type:Through Hole; Package / Case:16-DIP; Supply Voltage Range:- ;RoHS Compliant: Yes |
| NTE6880 | 制造商:NTE Electronics 功能描述:QUAD BUS TRANSCVR |
| NTE6885 | 制造商:NTE 制造商全稱:NTE Electronics 功能描述:Integrated Circuit Hex 3-State Buffer/Inverter |
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