參數(shù)資料
型號: N74F595D-T
廠商: NXP SEMICONDUCTORS
元件分類: 計數(shù)移位寄存器
英文描述: F/FAST SERIES, 8-BIT RIGHT SERIAL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
封裝: PLASTIC, SO-16
文件頁數(shù): 13/13頁
文件大?。?/td> 109K
代理商: N74F595D-T
Philips Semiconductors
Product specification
74F595
8-bit shift register with output latches (3-State)
1990 Apr 18
9
AC WAVEFORMS (Continued)
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VM
tPHZ
tPZH
VOH -0.3V
0V
OE
Q0–Q7
SF01104
Waveform 5. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
VM
tPLZ
tPZL
VOL +0.3V
Q0–Q7
OE
SF01105
Waveform 6. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for 3-State Outputs
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
RL
7.0V
SF00777
TEST
SWITCH
tPLZ
closed
tPZL
closed
All other
open
SWITCH POSITION
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