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参数资料
型号： SN74LS374DWG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 总线收发器
英文描述： LS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封装： GREEN, PLASTIC, SOIC-20
文件页数： 25/27页
文件大小： 839K
代理商： SN74LS374DWG4
SN54LS373, SN54LS374, SN54S373, SN54S374,
SN74LS373, SN74LS374, SN74S373, SN74S374
OCTAL D-TYPE TRANSPARENT LATCHES AND EDGE-TRIGGERED FLIP-FLOPS
SDLS165B – OCTOBER 1975 – REVISED AUGUST 2002
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LS’
SN74LS’
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
0.8
V
VIK
Input clamp voltage
VCC = MIN,
II = –18 mA
–1.5
V
VOH
High level output voltage
VCC = MIN,
VIH = 2 V,
24
34
24
31
V
VOH
High-level output voltage
CC
,
VIL = VIL max,
IH
,
IOH = MAX
2.4
3.4
2.4
3.1
V
VOL
Low level output voltage
VCC = MIN,
VIH = 2 V, IOL = 12 mA
0.25
0.4
0.25
0.4
V
VOL
Low-level output voltage
CC
,
VIL = VIL max
IH
,
IOL = 24 mA
0.35
0.5
V
IOZH
Off-state output current,
VCC = MAX,
VIH = 2 V,
20
mA
IOZH
,
high-level voltage applied
CC
,
VO = 2.7 V
IH
,
20
mA
IOZL
Off-state output current,
VCC = MAX,
VIH = 2 V,
20
mA
IOZL
,
low-level voltage applied
CC
,
VO = 0.4 V
IH
,
–20
mA
II
Input current at maximum
VCC = MAX
VI =7V
01
mA
II
input voltage
VCC = MAX,
VI = 7 V
0.1
mA
IIH
High-level input current
VCC = MAX,
VI = 2.7 V
20
mA
IIL
Low-level input current
VCC = MAX,
VI = 0.4 V
–0.4
mA
IOS
Short-circuit output current§
VCC = MAX
–30
–130
–30
–130
mA
ICC
Supply current
VCC = MAX,
’LS373
24
40
24
40
mA
ICC
Supply current
CC
,
Output control at 4.5 V
’LS374
27
40
27
40
mA
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
All typical values are at VCC = 5 V, TA = 25°C.
§ Not more than one output should be shorted at a time and duration of the short circuit should not exceed one second.
switching characteristics, VCC = 5 V, TA = 25°C (see Figure 1)
PARAMETER
FROM
TO
TEST CONDITIONS
’LS373
’LS374
UNIT
PARAMETER
(INPUT)
(OUTPUT)
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
fmax
RL = 667 , CL = 45 pF,
See Note 3
35
50
MHz
tPLH
Data
Any Q
RL = 667 , CL = 45 pF,
12
18
ns
tPHL
Data
Any Q
L
, L
,
See Note 3
12
18
ns
tPLH
CorCLK
Any Q
RL = 667 , CL = 45 pF,
20
30
15
28
ns
tPHL
C or CLK
Any Q
L
, L
,
See Note 3
18
30
19
28
ns
tPZH
OC
Any Q
RL = 667 , CL = 45 pF,
15
28
20
26
ns
tPZL
OC
Any Q
L
, L
,
See Note 3
25
36
21
28
ns
tPHZ
15
25
15
28
tPHZ
OC
Any Q
RL 667 CL 5 pF
15
25
15
28
ns
tPLZ
OC
Any Q
RL = 667 , CL = 5 pF
12
20
12
20
ns
tPLZ
12
20
12
20
NOTE 3: Maximum clock frequency is tested with all outputs loaded.
fmax = maximum clock frequency
tPLH = propagation delay time, low-to-high-level output
tPHL = propagation delay time, high-to-low-level output
tPZH = output enable time to high level
tPZL = output enable time to low level
tPHZ = output disable time from high level
tPLZ = output disable time from low level
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相关代理商/技术参数
参数描述
SN74LS374DWR 功能描述:触发器 Octal D-Ty Edge Trig F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel
SN74LS374DWR2 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN74LS374DWRG4 功能描述:触发器 Octal D-Ty Edge Trig F-F W/3-State Otpt RoHS:否 制造商:Texas Instruments 电路数量:2 逻辑系列:SN74 逻辑类型:D-Type Flip-Flop 极性:Inverting, Non-Inverting 输入类型:CMOS 输出类型: 传播延迟时间:4.4 ns 高电平输出电流:- 16 mA 低电平输出电流:16 mA 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:X2SON-8 封装:Reel
SN74LS374H 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN74LS374J 制造商:MOTO 功能描述:_ 制造商:Motorola Inc 功能描述:Flip Flop, Octal, D Type, 20 Pin, Ceramic, DIP
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