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74LVT640 반도체 회로 부품 판매점

3.3V Octal transceiver with direction pin; inverting 3-State



NXP Semiconductors 로고
NXP Semiconductors
74LVT640 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
74LVT640
3.3V Octal transceiver with direction pin;
inverting (3-State)
Product specification
Supersedes data of 1996 Oct 01
IC23 Data Handbook
1998 Feb 19
Philips
Semiconductors


74LVT640 데이터시트, 핀배열, 회로
Philips Semiconductors
3.3V Octal transceiver with direction pin; inverting
(3-State)
Product specification
74LVT640
FEATURES
Octal bidirectional bus interface
3-State buffers
Output capability: +64mA/-32mA
TTL input and output switching levels
Input and output interface capability to systems at 5V supply
Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
Live insertion/extraction permitted
Power-up 3-State
No bus current loading when output is tied to 5V bus
Latch-up protection exceeds 500mA per JEDEC Std 17
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The LVT640 is a high-performance BiCMOS product designed for
VCC operation at 3.3V.
This device is an octal transceiver featuring inverting 3-State bus
compatible outputs in both send and receive directions. The control
function implementation minimizes external timing requirements.
The device features an Output Enable (OE) input for easy cascading
and a Direction (DIR) input for direction control.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIN
CI/O
ICCZ
Propagation delay
An to Bn or Bn to An
Input capacitance
DIR, OE
I/O pin capacitance
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF;
VCC = 3.3V
VI = 0V or 3.0V
Outputs disabled; VI/O = 0V or 3.0V
Outputs disabled; VCC = 3.6V
TYPICAL
2.3
2.4
4
7
0.13
UNIT
ns
pF
pF
mA
ORDERING INFORMATION
PACKAGES
20-Pin Plastic SO
20-Pin Plastic SSOP
20-Pin Plastic TSSOP
TEMPERATURE RANGE
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
OUTSIDE NORTH AMERICA
74LVT640 D
74LVT640 DB
74LVT640 PW
NORTH AMERICA
74LVT640 D
74LVT640 DB
74LVT640PW DH
PKG. DWG. #
SOT163-1
SOT339-1
SOT360-1
PIN CONFIGURATION
DIR 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND 10
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
SV00014
PIN DESCRIPTION
PIN NUMBER
SYMBOL NAME AND FUNCTION
1 DIR Direction control input
2, 3, 4, 5, 6, 7, 8, 9 A0 – A7 Data inputs/outputs (A side)
18, 17, 16, 15, 14,
13, 12, 11
B0 – B7 Data inputs/outputs (B side)
19
OE
Output enable input
(active–Low)
10 GND Ground (0V)
20 VCC Positive supply voltage
1998 Feb 19
2 853-1881 18988




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74LVT640 transceiver

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