參數(shù)資料
型號: SN74ALS564BDWRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ALS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
封裝: PLASTIC, SO-20
文件頁數(shù): 9/15頁
文件大?。?/td> 654K
代理商: SN74ALS564BDWRG4
SN54ALS564B, SN74ALS564B
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS164B – APRIL 1982 – REVISED JANUARY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS564B
SN74ALS564B
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.2
V
VCC = 4.5 V to 5.5 V,
IOH = – 0.4 mA
VCC –2
VOH
VCC =4 5V
IOH = – 1 mA
2.4
3.3
V
VCC = 4.5 V
IOH = – 2.6 mA
2.4
3.2
VOL
VCC =4 5V
IOL = 12 mA
0.25
0.4
0.25
0.4
V
VOL
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
20
A
IOZL
VCC = 5.5 V,
VO = 0.4 V
–20
A
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.4 V
– 0.2
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–20
–112
–30
–112
mA
Outputs high
10
18
10
18
ICC
VCC = 5.5 V
Outputs low
15
24
15
24
mA
Outputs disabled
16
30
16
30
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
UNIT
SN54ALS564B
SN74ALS564B
MIN
MAX
MIN
MAX
fmax
22
30
MHz
tPLH
CLK
An Q
4
24
3
14
ns
tPHL
CLK
Any Q
4
20
4
14
ns
tPZH
OE
An Q
4
24
3
18
ns
tPZL
OE
Any Q
3
23
4
18
ns
tPHZ
OE
Any Q
2
14
1
10
ns
tPLZ
OE
Any Q
3
29
2
15
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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