HN27C4000G Series
AC Characteristics (VCC = 6.25 V ± 0.25 V, VPP = 12.5 V ± 0.3 V, Ta = 25°C ± 5°C)
Test Conditions
• Input pulse levels: 0.45 to 2.4 V
• Input rise and fall time: ≤ 20 ns
• Reference levels for measuring timing: Inputs; 0.8 V, 2.0 V,
Outputs; 0.8 V, 2.0 V
Parameter
Symbol Min
Typ
Max
Unit
Test Conditions
Address setup time
t AS
2
—
—
µs
OE setup time
t OES
2
—
—
µs
Data setup time
t DS
2
—
—
µs
Address hold time
t AH
0
—
—
µs
Data hold time
t DH
2
—
—
µs
OE high to output float delay
t *1
DF
0
—
130
ns
VPP setup time
t VPS
2
—
—
µs
VCC setup time
t VCS
2
—
—
µs
CE initial programming pulse width tPW
47.5
50.0
52.5
µs
CE setup time
t CES
2
—
—
µs
Data valid from OE
t OE
0
—
150
ns
CE pulse width during data latch tLW
1
—
—
µs
OE = VH setup time
t OHS
2
—
—
µs
OE = VH hold time
t OHH
2
—
—
µs
VPP hold time*2
t VRS
1
—
—
µs
Notes: 1. tDF is defined as the time at which the output achieves the open circuit condition and data is no
longer driven.
2. Page program mode will be reset when VPP is set to VCC or less.
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