參數(shù)資料
型號: 74F395
廠商: NXP Semiconductors N.V.
英文描述: 4-bit cascadable shift register 3-State
中文描述: 4位級聯(lián)移位寄存器三態(tài)
文件頁數(shù): 4/7頁
文件大小: 65K
代理商: 74F395
Philips Semiconductors
Product specification
74F395
4-bit cascadable shift register (3-State)
1990 Oct 23
4
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
TYP
2
UNIT
MIN
MAX
V
OH
High-level output voltage
Qs
V
IH
=MIN
I
OH
=–1mA
±
10%V
CC
2.5
V
V
CC
= MIN,
V
IL
= MAX,
±
5%V
CC
2.7
3.4
V
Q0–Q3
I
OH
=–3mA
±
10%V
CC
2.4
V
±
5%V
CC
2.7
V
V
OL
Low-level output voltage
V
CC
= MIN,
V
IH
= MIN,
I
OL
= MAX
±
10%V
CC
0.35
0.50
V
V
IL
= MAX,
±
5%V
CC
0.35
0.50
V
V
IK
I
I
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
V
CC
= MAX, V
I
= 7.0V
–0.73
–1.2
V
Input current at maximum input voltage
100
μ
A
I
IH
High-level input current
V
CC
= MAX, V
I
= 2.7V
20
μ
A
I
IL
Low-level input current
V
CC
= MAX, V
I
= 0.5V
–0.6
mA
I
OZH
Off-state output current High
level of voltage applied
Q0–Q3
only
V
CC
= MAX, V
O
= 2.7V
50
μ
A
I
OZL
Off-state output current Low
level of voltage applied
Q0–Q3
only
V
CC
= MAX, V
O
= 0.5V
–50
μ
A
I
OS
Short-circuit output current
3
V
CC
= MAX
–60
–150
mA
I
CC
Supply current (total)
I
CCH
V
CC
= MAX
MR=PE=Dn=Ds=4.5V,
OE=GND, CP=
33
48
mA
I
CCL
MR=OE=Dn=Ds=GND,
PE=4.5V, CP=
35
50
mA
I
CCZ
MR=Dn=Ds=GND,
OE=4.5V
32
46
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
°
C.
3. Not more than one output should be shorted at a time. For testing I
OS
, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, I
OS
tests should be performed last.
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