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參數(shù)資料
| 型號： | SN74ALS232BFN |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LED AMBER DIFFUSED |
| 中文描述： | 16】4異步先入先出存儲器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 124K |
| 代理商： | SN74ALS232BFN |
SN74ALS232B
16
×
4 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORY
SCAS251B – FEBRUARY 1989 – REVISED APRIL 1998
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
MIN
NOM
MAX
UNIT
VCC
VIH
VIL
Supply voltage
4.5
5
5.5
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
IOH
High level output current
High-level output current
Q outputs
–2.6
mA
FULL, EMPTY
–0.4
IOL
Low level output current
Low-level output current
Q outputs
24
mA
FULL, EMPTY
8
TA
Operating free-air temperature
0
70
°
C
NOTE 3: To ensure proper operation of this high-speed FIFO device, it is necessary to provide a clean signal to the LDCK and UNCK clock inputs.
Any excessive noise or glitching on the clock inputs that violates limits for maximum VIL, minimum VIH, or minimum pulse duration can
cause a false clock or improper operation of the internal read and write pointers.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
II = –18 mA
IOH = –2.6 mA
IOH = –0.4 mA
IOL = 12 mA
IOL = 24 mA
IOL = 4 mA
IOL = 8 mA
VO = 2.7 V
VO = 0.4 V
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
–1.2
V
VOH
Q outputs
2.4
3.2
V
FULL, EMPTY
VCC–2
Q outputs
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
VOL
0.35
0.5
V
FULL EMPTY
FULL, EMPTY
VCC= 4 5 V
VCC = 4.5 V
0.25
0.4
0.35
0.5
IOZH
IOZL
II
IIH
IIL
IO
ICC
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.
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V
20
μ
A
μ
A
mA
μ
A
mA
–20
0.1
20
–0.2
–30
–112
mA
80
125
mA
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| SN74ALS232BFNR | 功能描述:先進先出 16 x 4 asynchronous 先進先出 memory RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
| SN74ALS232BN | 功能描述:先進先出 16 x 4 Asynch 先進先出 RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
| SN74ALS233ADW | 制造商:TI 功能描述:74ALS233 TI'88/86 S1I2C |
| SN74ALS233BDW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ALS233BFN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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