參數(shù)資料
型號(hào)： SNC54S373J
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 總線收發(fā)器
英文描述： S SERIES, 8-BIT DRIVER, TRUE OUTPUT, CDIP20
封裝： CERAMIC, DIP-20
文件頁(yè)數(shù)： 24/27頁(yè)
文件大小： 818K
代理商： SNC54S373J
SN54LS373, SN54LS374, SN54S373, SN54S374,
SN74LS373, SN74LS374, SN74S373, SN74S374
OCTAL D-TYPE TRANSPARENT LATCHES AND EDGE-TRIGGERED FLIP-FLOPS
SDLS165B – OCTOBER 1975 – REVISED AUGUST 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
(’LS devices)
Supply voltage, VCC (see Note 1)
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-state output voltage
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 2): DB package
70
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package
58
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
69
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package
60
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. Voltage values are with respect to network ground terminal.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
SN54LS’
SN74LS’
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
4.75
5
5.25
V
VOH
High-level output voltage
5.5
V
IOH
High-level output current
–1
–2.6
mA
IOL
Low-level output current
12
24
mA
t
Pulse duration
CLK high
15
ns
tw
Pulse duration
CLK low
15
ns
t
Data setup time
’LS373
5
↓
5
↓
ns
tsu
Data setup time
’LS374
20
↑
20
↑
ns
th
Data hold time
’LS373
20
↓
20
↓
ns
th
Data hold time
’LS374
5
↑
0
↑
ns
TA
Operating free-air temperature
–55
125
0
70
°C
The th specification applies only for data frequency below 10 MHz. Designs above 10 MHz should use a minimum of 5 ns (commercial only).
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