參數(shù)資料
型號: 935178850118
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, OCTAL 1-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
封裝: PLASTIC, TSSOP-24
文件頁數(shù): 2/8頁
文件大小: 97K
代理商: 935178850118
Philips Semiconductors Advanced BiCMOS Products
Product specification
74ABT544
Octal latched transceiver with dual enable,
inverting (3-State)
June 1, 1993
2
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
14, 1
LEAB / LEBA
A to B / B to A Latch Enable input (active-Low)
11, 23
EAB / EBA
A to B / B to A Enable input (active-Low)
13, 2
OEAB / OEBA
A to B / B to A Output Enable input (active-Low)
3, 4, 5, 6,
7, 8, 9, 10
A0 – A7
Port A, 3-State outputs
22, 21, 20, 19,
18, 17, 16, 15
B0 – B7
Port B, 3-State outputs
12
GND
Ground (0V)
24
VCC
Positive supply voltage
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
Tamb = 25°C; GND = 0V
TYPICAL
UNIT
tPLH
tPHL
Propagation delay
An to Bn or Bn to An
CL = 50pF; VCC = 5V
3.9
ns
CIN
Input capacitance
VI = 0V or VCC
4
pF
CI/O
I/O capacitance
Outputs disabled;
VO = 0V or VCC
7
pF
ICCZ
Total supply current
Outputs disabled; VCC = 5.5V
110
A
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