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부품번호 | 74VHCT16240A 기능 |
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기능 | 16-BIT BUS BUFFER | ||
제조업체 | ST Microelectronics | ||
로고 | |||
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74VHCT16240A
16-BIT BUS BUFFER
WITH 3-STATE OUTPUTS (INVERTED)
s HIGH SPEED: tPD = 5.6 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA=25°C
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN.), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS
& OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 4.5V to 5.5V
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.9V (MAX.)
DESCRIPTION
The 74VHCT16240A is an advanced high-speed
CMOS 16-BIT BUS BUFFER (3-STATE)
fabricated with sub-micron silicon gate and
double-layer metal wiring C2MOS technology.
Any nG output control governs four BUS
BUFFERS. Output Enable inputs (nG) tied
together give full 16 bit operation.
When nG is LOW, the outputs are on. When nG is
HIGH, the output are in high impedance state.
This device is designed to be used with 3 state
memory address drivers, etc.
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 5V to 3V since all
inputs are equipped with TTL threshold
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
TSSOP
ORDER CODES
PACKAGE
TSSOP
TUBE
PIN CONNECTION
T&R
74VHCT16240ATTR
February 2003
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74VCHT16240A
DC SPECIFICATIONS
Test Condition
Value
Symbol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level Output
Voltage
VOL Low Level Output
Voltage
Ioz
II
ICC
+ICC
IOPD
High Impedance
Output Leakage
Current
Input Leakage
Current
Quiescent Supply
Current
Additional Worst
Case Supply
Current
Output Leakage
Current
VCC
(V)
4.5 to
5.5
4.5 to
5.5
4.5
4.5
4.5
4.5
4.5 to
5.5
IO=-50 µA
IO=-8 mA
IO=50 µA
IO=8 mA
VI = VIH or VIL
VO = 0V to 5.5V
0 to
5.5
VI = 5.5V or GND
5.5 VI = VCC or GND
One Input at 3.4V,
5.5 other input at VCC
or GND
0 VOUT = 5.5V
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
2 22V
0.8 0.8 0.8
4.4 4.5 4.4 4.4
3.94 3.8 3.7
0.0 0.1 0.1 0.1
0.36 0.44 0.55
V
V
V
±0.25
± 2.5
± 2.5 µA
± 0.1
2
± 1.0
20
± 1.0 µA
20 µA
1.35 1.5
1.5 mA
0.5 5.0 5.0 µA
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC (*) CL
(V) (pF)
tPLH Propagation Delay 5.0 15
tPHL Time
5.0 50
tPZL
tPZH
Output Disable
Time
5.0 15
5.0 50
tPZL
tPZH
Output Enable
Time
5.0 50
(*) Voltage range is 5.0V ± 0.5V
RL = 1KΩ
RL = 1KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
Typ.
5.4
7.0
7.7
8.2
Max.
8.5
9.5
10.4
11.4
Min.
1.0
1.0
1.0
1.0
Max.
9.5
10.5
12.0
13.0
Min. Max.
1.0 10.0
1.0 11.0
1.0 12.0
1.0 13.0
ns
ns
8.8 11.4 1.0 13.0 1.0 13.0 ns
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74VCHT16240A
WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIME (f=1MHz; 50% duty cycle)
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
74VHCT16240A | 16-BIT BUS BUFFER | ST Microelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |