參數(shù)資料
型號(hào): M74HC670M1R
廠商: 意法半導(dǎo)體
元件分類: 寄存器
英文描述: 4 WORD X 4 BIT REGISTER FILE 3 STATE
中文描述: 4字× 4位寄存器文件三態(tài)
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 264K
代理商: M74HC670M1R
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
5, 4
RA, RB
Read Address Inputs
10, 9, 7, 6
Q1 to Q4
Data Outputs
11
RE
3 State Output Read
Enable Input (Active LOW)
12
WE
Write Enable Input (Active
LOW)
14, 13
WA, WB
Write Address Inputs
15, 1, 2, 3
D1 to D4
Data Inputs
7
GND
Ground (0V)
14
VCC
Positive Supply Voltage
IEC LOGIC SYMBOL
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Source Sink Current Per Output Pin
± 25
mA
ICC or IGND
DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
(*) 500 mW:
65 oC derate to 300 mW by 10mW/oC: 65 oCto 85 oC
M54/M74HC670
3/12
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