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参数资料
| 型号： | SN54AS374FKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 5/9页 |
| 文件大小： | 138K |
| 代理商： | SN54AS374FKR |
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167B – APRIL 1982 – REVISED JULY 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS374
SN74AS374
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 = – 2 mA
VCC –2
VOH
VCC =4 5V
IOH = – 12 mA
2.4
3.2
V
VCC = 4.5 V
IOH = – 15 mA
2.4
3.3
VOL
VCC =4 5V
IOL = 32 mA
0.29
0.5
V
VOL
VCC = 4.5 V
IOL = 48 mA
0.34
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL
VCC = 5.5 V,
VO = 0.4 V
–50
A
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
OE, CLK
VCC =5 5V
VI =0 4V
– 0.5
mA
IIL
Data
VCC = 5.5 V,
VI = 0.4 V
–3
–2
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
Outputs high
77
120
77
120
ICC
VCC = 5.5 V
Outputs low
84
128
84
128
mA
Outputs disabled
84
128
84
128
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 3)
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
SN54AS374
SN74AS374
MIN
MAX
MIN
MAX
fmax*
100
125
MHz
tPLH
CLK
Q
3
11
3
8
ns
tPHL
CLK
Q
4
11.5
4
9
ns
tPZH
OE
Q
2
7
2
6
ns
tPZL
OE
Q
3
11
3
10
ns
tPHZ
OE
Q
2
10
2
6
ns
tPLZ
OE
Q
2
7
2
6
ns
* On products compliant to MIL-STD-883, Class B, this parameter is based on characterization data but is not production tested.
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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