- 您现在的位置：买卖IC网 > PDF目录383110 > IP82C54Z (INTERSIL CORP) CMOS Programmable Intervel Timer PDF资料下载
参数资料
| 型号： | IP82C54Z |
| 厂商： | INTERSIL CORP |
| 元件分类： | XO, clock |
| 英文描述： | CMOS Programmable Intervel Timer |
| 中文描述： | 3 TIMER(S), PROGRAMMABLE TIMER, PDIP24 |
| 封装： | LEAD FREE, PLASTIC, MS-011AA, DIP-24 |
| 文件页数： | 5/22页 |
| 文件大小： | 395K |
| 代理商： | IP82C54Z |
5
82C54
Functional Diagram
CONTROL
WORD
REGISTER
READ/
WRITE
LOGIC
DATA/
BUS
BUFFER
COUNTER
2
COUNTER
1
COUNTER
0
I
INTERNAL BUS
CONTROL
LOGIC
CONTROL
WORD
REGISTER
STATUS
LATCH
STATUS
REGISTER
CLK n
GATE n
OUT n
OUT 2
GATE 2
CLK 2
OUT 1
GATE 1
CLK 1
OUT 0
GATE 0
CLK 0
WR
RD
D
7
- D
0
A
0
A
1
CS
OL
M
OL
L
CE
CR
M
CR
L
COUNTER INTERNAL BLOCK DIAGRAM
8
Pin Description
SYMBOL
DIP PIN
NUMBER
TYPE
DEFINITION
D7 - D0
1 - 8
I/O
DATA: Bi-directional three-state data bus lines, connected to system data bus.
CLK 0
9
I
CLOCK 0: Clock input of Counter 0.
OUT 0
10
O
OUT 0: Output of Counter 0.
GATE 0
11
I
GATE 0: Gate input of Counter 0.
GND
12
GROUND: Power supply connection.
OUT 1
13
O
OUT 1: Output of Counter 1.
GATE 1
14
I
GATE 1: Gate input of Counter 1.
CLK 1
15
I
CLOCK 1: Clock input of Counter 1.
GATE 2
16
I
GATE 2: Gate input of Counter 2.
OUT 2
17
O
OUT 2: Output of Counter 2.
CLK 2
18
I
CLOCK 2: Clock input of Counter 2.
A0, A1
19 - 20
I
ADDRESS: Select inputs for one of the three counters or Control Word Register for read/write
operations. Normally connected to the system address bus.
CS
21
I
CHIP SELECT: A low on this input enables the 82C54 to respond to RD and WR signals. RD and WR
are ignored otherwise.
RD
22
I
READ: This input is low during CPU read operations.
WR
23
I
WRITE: This input is low during CPU write operations.
V
CC
24
-
V
CC
: The +5V power supply pin. A 0.1
μ
F capacitor between pins VCC and GND is recommended for
decoupling.
A1
A0
SELECTS
0
0
Counter 0
0
1
Counter 1
1
0
Counter 2
1
1
Control Word Register
相关PDF资料 |
PDF描述 |
|---|---|
| IP82C54-12 | CMOS Programmable Interval Timer |
| IP82C54 | CMOS Programmable Interval Timer |
| IP82C54-10 | CMOS Programmable Interval Timer |
| IP82C59A | CMOS Priority Interrupt Controller |
| IP82C59A-5 | CMOS Priority Interrupt Controller |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IP82C55A | 功能描述:外围驱动器与原件 - PCI PERIPH PRG-I/O 5V 8MHZ IND RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| IP82C55A/+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Peripheral Interface |
| IP82C55A-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IP82C55AS2064 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IP82C55AS2065 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
发布紧急采购，3分钟左右您将得到回复。