UPD78P4916 Datasheet, PDF (43/56 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

µPD78P4916
PROM Write Mode (Byte Programming Mode)
Parameter
Address setup time
CE set time
Input data setup time
Address hold time
Input data hold time
Output data hold time
VPP setup time
VDDP setup time
Initial programming pulse width
OE set time
OE → valid data delay time
Symbol ^{Note 1}
tAS
tCES
tDS
tAH
tDH
tDF
tVPS
tVDS ^{Note 2}
tPW
tOES
tOE
Conditions
Notes 1. Correspond to symbols of the µPD27C1001A (except tVDS).
2. tVDS corresponds to tVCS of the µPD27C1001A.
PROM Read Mode
Parameter
Symbol ^{Note 1}
Address → data output time
tACC
CE ↓ → data output time
tCE
OE ↓ → data output time
tOE
Data hold time (from OE ↑, CE ↑) ^{Note 2}
tDF
Data hold time (from address)
tOH
Conditions
CE = OE = VIL
OE = VIL
CE = VIL
CE = VIL or OE = VIL
CE = OE = VIL
Notes 1. Correspond to symbols of the µPD27C1001A.
2. tDF is a time after either OE or CE rose to VIH first.
MIN. TYP. MAX. Unit
2
µs
2
µs
2
µs
2
µs
2
µs
0
130
ns
2
µs
2
µs
0.095 0.1 0.105 ms
2
µs
150
ns
MIN. TYP. MAX. Unit
200
ns
200
ns
75
ns
0
60
ns
0
ns
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