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參數(shù)資料
| 型號(hào)： | SN54ALS323J |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 計(jì)數(shù)移位寄存器 |
| 英文描述： | ALS SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CDIP20 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-20 |
| 文件頁(yè)數(shù)： | 12/17頁(yè) |
| 文件大小： | 693K |
| 代理商： | SN54ALS323J |
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SN54ALS323, SN74ALS323
8-BIT UNIVERSAL SHIFT/STORAGE REGISTERS
WITH SYNCHRONOUS CLEAR AND 3-STATE OUTPUTS
SDAS267A – DECEMBER 1982 – REVISED DECEMBER 1994
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54ALS323
SN74ALS323
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
IOH
High level output current
QA
′ or QH′
– 0.4
mA
IOH
High-level output current
QA thru QH
–1
– 2.6
mA
IOL
Low level output current
QA
′ or QH′
4
8
mA
IOL
Low-level output current
QA thru QH
12
24
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS323
SN74ALS323
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5
V
Any output
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC –2
VOH
QA thru QH
VCC =4 5V
IOH = – 1 mA
2.4
3.3
V
QA thru QH
VCC = 4.5 V
IOH = – 2.6 mA
2.4
3.2
QA
′ or QH′
VCC =4 5V
IOL = 4 mA
0.25
0.4
0.25
0.4
VOL
QA
′ or QH′
VCC = 4.5 V
IOL = 8 mA
0.35
0.5
V
VOL
QA thru QH
VCC =4 5V
IOL = 12 mA
0.25
0.4
0.25
0.4
V
QA thru QH
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
II
A thru H
VCC =5 5V
VI = 5.5 V
0.1
mA
II
Any others
VCC = 5.5 V
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
I
S0, S1, SR, SL
VCC =5 5V
VI =0 4V
– 0.2
mA
IIL
Any others
VCC = 5.5 V,
VI = 0.4 V
– 0.1
mA
I
§
QA
′ or QH′
VCC =5 5V
VO = 2 25 V
–15
–70
–15
–70
mA
IOS§
QA thru QH
VCC = 5.5 V,
VO = 2.25 V
–20
–112
–30
–112
mA
Outputs high
15
28
15
28
ICC
VCC = 5.5 V
Outputs low
22
38
22
38
mA
Outputs disabled
23
40
23
40
All typical values are at VCC = 5 V, TA = 25°C.
For I/O ports (QA thru QH), the parameters IIH and IIL include the off-state output current.
§ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
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