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| MB2841 Datasheet, PDF (5/10 Pages) NXP Semiconductors – Dual 10-bit bus interface latch 3-State | |||
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Philips Semiconductors Advanced BiCMOS Products
Dual 10-bit bus interface latch (3-State)
Product specification
MB2841
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500â¦
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time, High or Low
nDx to nLE
3
th(H)
th(L)
Hold time, High or Low
nDx to nLE
3
tw(H)
nLE pulse width High
1
LIMITS
Tamb = +25oC
VCC = +5.0V
Min
Typ
Max
2.0
0.8
1.5
0.4
0.5
â0.3
0.5
â0.7
2.9
1.9
Tamb = -40 to
+85oC
VCC = +5.0V ±0.5V
Min
Max
2.0
1.5
0.5
0.5
2.9
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
nLE
VM
VM
VM
nDx INPUT
VM
VM
tw(H)
tPHL
tPLH
tPLH
tPHL
nQx
VM
VM
nQx OUTPUT
VM
VM
Waveform 1. Propagation Delay, Latch Enable Input to
ÃÃÃ ÃÃÃÃÃÃÃÃÃÃ Output, and Enable Pulse Width
Waveform 2. Propagation Delay for Data to Outputs
ÃÃÃÃÃÃÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ nDx
VM
ts(H)
VM
th(H)
VM
ts(L)
VM
th(L)
nLE
VM
VM
Waveform 3. Data Setup and Hold Times
nOE
VM
VM
nQx
tPZH
VM
tPHZ
VOH â0.3V
0V
Waveform 4. 3âState Output Enable Time to High Level
and Output Disable Time from High Level
nOE
nQx
VM
tPZL
VM
tPLZ
VM
VOL +0.3V
Waveform 5. 3âState Output Enable Time to Low Level
and Output Disable Time from Low Level
NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance.
August 24, 1993
5
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