参数资料
型号: DS80C320-QNG
厂商: DALLAS SEMICONDUCTOR
元件分类: Microcontroller
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 21/42页
文件大小: 736K
代理商: DS80C320-QNG
DS80C320/DS80C323
28 of 42
5. When addressing external memory.
6. RST= VCC. This condition mimics operation of pins in I/O mode.
7. During a 0 to 1 transition, a one-shot drives the ports hard for two clock cycles. This measurement
reflects port in transition mode.
8. Ports 1, 2, and 3 source transition current when being pulled down externally. It reaches its maximum
at approximately 2V.
9. VIN between ground and VCC - 0.3V. Not a high impedance input. This port is a weak address latch
because Port 0 is dedicated as an address bus on the DS80C323. Peak current occurs near the input
transition point of the latch, approximately 2V.
10. Over the industrial temperature range, this specification has a maximum value of 200 A.
11. This is the current from an external circuit to hold a logic low level on an I/O pin while the
corresponding port latch bit is set to 1. This is only the current required to hold the low level;
transitions from 1 to 0 on an I/O pin will also have to overcome the transition current.
12. Device operating range is 2.7V to 5.5V, however device is tested to 2.5V to ensure proper operation
at minimum VRST.
相关PDF资料
PDF描述
DS80C320-ECG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320-FNG 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320-FCG 8-BIT, 25 MHz, MICROCONTROLLER, PQFP44
DS80C320QNG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
DS80C320-QCG 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
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