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參數(shù)資料
| 型號： | SN74LS170N |
| 廠商： | MOTOROLA INC |
| 元件分類： | DRAM |
| 英文描述： | 4 x 4 REGISTER FILE OPEN-COLLECTOR |
| 中文描述： | 4 X 4 STANDARD SRAM, 40 ns, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 107K |
| 代理商： | SN74LS170N |
5-3
FAST AND LS TTL DATA
SN54/74LS170
WRITE FUNCTION TABLE (SEE NOTES A, B, AND C)
READ FUNCTION TABLE (SEE NOTES A AND D)
WRITE INPUTS
WORD
READ INPUTS
OUTPUTS
WB
L
L
H
H
X
WA
L
H
L
H
X
EW
L
L
L
L
H
0
1
2
3
RB
L
L
H
H
X
RA
L
H
L
H
X
ER
L
L
L
L
H
Q1
Q2
Q3
Q4
Q = D
Q0
Q0
Q0
Q0
Q0
Q = D
Q0
Q0
Q0
Q0
Q0
Q = D
Q0
Q0
Q0
Q0
Q0
Q = D
Q0
W0B1
W1B1
W2B1
W3B1
H
W0B2
W1B2
W2B2
W3B2
H
W0B3
W1B3
W2B3
W3B3
H
W0B4
W1B4
W2B4
W3B4
H
NOTES: A. H = HIGH Level. L = LOW Level, X = Irrelevant.
NOTES:
B. (Q = D) = The four selected internal flip-flop outputs will assume the states applied to the four external data inputs.
NOTES:
C. Q0 = the level of Q before the indicated input conditions were established.
NOTES:
D. W0B1 = The first bit of word 0, etc.
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
Supply Voltage
54
74
4.5
4.75
5.0
5.0
5.5
5.25
V
TA
Operating Ambient Temperature Range
54
74
–55
0
25
25
125
70
°
C
VOH
IOL
Output Voltage — High
54, 74
5.5
V
Output Current — Low
54
74
4.0
8.0
mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE
(unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
54
0.7
V
Guaranteed Input LOW Voltage for
All Inputs
74
0.8
VIK
IOH
Input Clamp Diode Voltage
–0.65
–1.5
V
VCC = MIN, IIN = –18 mA
VCC = MIN, VOH = MAX
Output HIGH Current
54, 74
100
μ
A
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
per Truth Table
74
0.35
0.5
V
IOL = 8.0 mA
VIN = VIL or VIH
IIH
Input HIGH Current
Any D, R, W
ER, EW
20
40
μ
A
VCC = MAX, VIN = 2.4 V
Any D, R, W
ER, EW
0.1
0.2
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
Any D, R, W
ER, EW
–0.4
–0.8
mA
VCC = MAX, VIN = 0.4 V
ICC
Power Supply Current
40
mA
VCC = MAX
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS170D | 4 x 4 REGISTER FILE OPEN-COLLECTOR |
| SN74LS173D | 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS |
| SN54LS173J | 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS |
| SN74LS173N | 4-BIT D-TYPE REGISTER WITH 3-STATE OUTPUTS |
| SN74LS174D | HEX D FLIP-FLOP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS171D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS171N | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74LS173AD | 功能描述:觸發(fā)器 4-Bit D-type Reg With 3-State Outputs RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74LS173ADE4 | 功能描述:觸發(fā)器 4-Bit D-type Reg With 3-State Outputs RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74LS173ADG4 | 功能描述:觸發(fā)器 4B D Type Registers RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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