English
Language : 

74F807 Datasheet, PDF (8/8 Pages) –
◁
Philips Semiconductors FAST Products
Octal shift/count registered transceiver
with adder and parity (3–State)
Product specification
FAST 74F807
AC WAVEFORMS
CPBA
or
CPAB
VM
1/fmax
tw(H)
tPHL
VM
tw(L)
VM
tPLH
MR
VM
VM
trec
An or Bn
VM
VM
STATOUT
Waveform 1. Propagation delay for clock input to output,
clock pulse width, and maximum clock frequency
CP
VM
Waveform 2. Master reset to clock recovery time
tw(L)
MR
VM
VM
tPHL
tPLH
An, Sn,
CI/SI/CE
VM
tPLH
VM
tPHL
Bn or An
STATOUT
VM
VM
STATOUT
VM
VM
Waveform 3. Propagation delay for master reset to data
or master reset to STATOUT
Waveform 4. Propagation delay for select to STATOUT, CI/SI/CE
to STATOUT or data to STATOUT
An, Bn, Sn,
CI/SI/CE
CP
VM
VM
tsuL)
th(L)
tw(L)
VM
VM VM
tsu(H)
th(H)
VM
VM
Waveform 5. Data setup and hold times
OEB or OEA
VM
VM
OEB or OEA
VM
VM
tPZH
tPHZ
VOH -0.3V
tPZL
tPLZ
Bn or An
VM
Bn or An
VM
0V
Waveform 6. 3–State output enable time to high level
and output disable time from high level
Waveform 7. 3-state output enable time to low level
and output disable time from low level
VOL +0.3V
Notes to AC waveforms
1. For all waveforms, VM = 1.5V.
2. The shaded areas indicate when the input is permitted to change for predictable output performance.
TEST CIRCUIT AND WAVEFORMS
.
SWITCH POSITION
TEST SWITCH
tPLZ, tPZL closed
VCC
7.0V
All other open
VIN
VOUT
RL
PULSE
D.U.T.
GENERATOR
RT
CL RL
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.
90%
NEGATIVE
PULSE
tw
VM
10%
tTHL (tf )
VM
10%
tTLH (tr )
90%
AMP (V)
0V
POSITIVE
PULSE
10%
tTLH (tr )
90%
VM
tTHL (tf )
90%
VM
tw
Input pulse definition
AMP (V)
10%
0V
INPUT PULSE REQUIREMENTS
family
amplitude VM rep. rate
tw
tTLH
74F
3.0V 1.5V 1MHz 500ns 2.5ns
tTHL
2.5ns
June 18, 1991
8