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參數(shù)資料
| 型號： | CDP1877E |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 中斷控制器 |
| 英文描述： | Programmable Interrupt Controller (PIC) |
| 中文描述： | CDP1800 SERIES COMPATIBLE, INTERRUPT CONTROLLER, PDIP28 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 45K |
| 代理商： | CDP1877E |
4-84
Operating Conditions
At T
A
= Full package temperature range. For maximum reliability, operating conditions should be selected so
that operation is always within the following ranges:
PARAMETER
LIMITS
UNITS
CDP1877
CDP1877C
MIN
MAX
MIN
MAX
DC Operating Voltage Range
4
10.5
4
6.5
V
Input Voltage Range
V
SS
V
DD
V
SS
V
DD
V
TPA
CS
CS
CA/A
X
CA/A
Y
4-BIT
LATCH
TPB
MWR
MRD
DECODER
CASC
WRITE PAGE REGISTER
WRITE CONTROL REGISTER
WRITE MASK REGISTER
READ STATUS REGISTER
READ POLLING REGISTER
READ LONG BRANCH
INT
BUS 0
BUS 1
BUS 2
BUS 3
BUS 4
BUS 5
BUS 6
BUS 7
DATA
BUS
BUFFERS
IR7
IR6
IR5
IR4
IR3
IR2
IR1
IR0
INTERRUPT
LATCH/
STATUS
REGISTER
CONTROL REGISTER
WRITE
CONTROL
REGISTER
MWR
MRD
READ
STATUS
REGISTER
WRITE
MASK
REGISTER
EN
CLEAR
CLEAR
MASK
REGISTER
EN
CLEAR
PRIORITY
ENCODER/
VECTOR
ADDRESS
GENERATION
INTERVAL
READ POLLING
REGISTER
LOW
VECTOR
ADDRESS
EN
UPPER BITS
EN
HIGH
VECTOR
ADDRESS
WRITE
PAGE
REGISTER
READ
LONG
BRANCH
LONG
BRANCH
INSTRUCTION
GENERATE
LOGIC
CS
FIGURE 1. FUNCTIONAL DIAGRAM FOR CDP1877
CDP1877, CDP1877C
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