參數(shù)資料
型號(hào): 74HCT7403
廠商: NXP Semiconductors N.V.
英文描述: Dual 4-Input Positive-NAND Gates 14-TSSOP -40 to 85
中文描述: 4位× 64字的FIFO寄存器,三態(tài)
文件頁(yè)數(shù): 9/28頁(yè)
文件大?。?/td> 163K
代理商: 74HCT7403
September 1993
9
Philips Semiconductors
Product specification
4-Bit x 64-word FIFO register; 3-state
74HC/HCT7403
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
, except that V
OH
and V
OL
are not
valid for driver output.
They are replaced by the values given below.
Output capability: driver 8 mA.
I
CC
category: LSI.
Voltages are referenced to GND (ground = 0 V).
DC CHARACTERISTICS FOR 74HCT
Notes to the HCT DC Characteristics
1.
2.
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
UNIT LOAD COEFFICIENT
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITION
+
25
40 to
+
85
40 to
+
125
V
CC
(V)
V
I
OTHER
MIN
TYP
MAX
MIN
MAX
MIN
MAX
V
OH
HIGH level
output voltage
all outputs
HIGH level
output voltage
driver outputs
LOW level
output voltage
all outputs
LOW level
output voltage
driver outputs
4.4
4.5
4.4
4.4
V
4.5
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
I
O
=
20
μ
A
V
OH
3.98
4.32
3.84
3.7
V
4.5
I
O
=
8 mA
V
OL
0
0.1
0.1
0.1
V
4.5
I
O
= 20
μ
A
V
OL
0.15
0.26
0.33
0.4
V
4.5
I
O
= 8 mA
INPUT
UNIT LOAD COEFFICIENT
OE
SI
D
n
MR
SO
1
1.5
0.75
1.5
1.5
相關(guān)PDF資料
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7403 4-Bit x 64-word FIFO register; 3-state
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