NEC PD75P308 *1: These symbols are the corresponding , AC PROGRAMMING CHARACTERISTICS (Ta = 255C, VDD = 6.00.25V, VPP = 12.50.3V, VSS = 0V), DC PROGRAMMING CHARACTERISTICS (Ta = 25 5C, VDD = 6.00.25V, VPP = 12.50.3V, VSS = 0V)

µ PD75P308
26
*1: These symbols are the corresponding µ PD27C256 symbols.
2: The internal address signal is incremented by 1 at the fourth rising edge of X1 input. The internal
address is not connected to any pin.
Parameter Symbol *1Conditions MIN. TYP. MAX. Unit
tAS tAS
tM1S tOES
tDS tDS
tAH tAH
tDH tDH
tDF tDF
tVPS tVPS
tVDS tVCS
tPW tPW
tOPW tOPW
tMOS tCES
tDV tDV
tM1H tOEH
tM1R tOR
tPCR –
tXH,tXL –
fX–
tI–
tM3S –
tM3H –
tM3SR –
tDAD tACC
tHAD tOH
tM3HR –
tDFR –
MD0 = MD1 = VIL
tM1H + tM1R ≥ 50 µ s
When data is read from program memory
When data is read from program memory
When data is read from program memory
When data is read from program memory
When data is read from program memory
2 µ s
2 µ s
2 µ s
2 µ s
2 µ s
0 130 ns
2 µ s
2 µ s
0.95 1.0 1.05 ms
0.95 21.0 ms
2 µ s
1 µ s
2 µ s
2 µ s
10 µ s
0.125 µ s
4.19 MHz
2 µ s
2 µ s
2 µ s
2 µ s
2 µ s
0 130 ns
2 µ s
2 µ s
Address Set-Up Time*2 (vs.MD0↓)
MD1 Set-Up Time (vs. MD0↓)
Data Set-Up Time (vs. MD0↓)
Address Hold Time*2 (vs.MD0↑)
Data Hold Time (vs. MD0↑)
MD0 ↑→ Data Output Float Delay Time
VPP Set-Up Time (vs. MD3↑)
VDD Set-Up Time (vs. MD3↑)
Initial Program Pulse Width
Additional Program Pulse Width
MD0 Set-Up Time (vs. MD1↑)
MD0 ↓→ Data Output Delay Time
MD1 Hold Time (vs. MD0↑)
MD1 Recovery Time (vs. MD0↓)
Program Counter Reset Time
X1 Input High-/Low- Level Width
X1 Input Frequency
Initial Mode Set Time
MD3 Set-Up Time (vs. MD1↑)
MD3 Hold Time (vs. MD1↓)
MD3 Set-Up Time (vs. MD0↓)
Address*2 → Data Output Delay Time
Address*2 → Data Output Hold Time
MD3 Hold Time (vs. MD0↑)
MD3 ↓→ Data Output Float Delay Time
Notes 1: VPP must not exceed +13.5 V, including the overshoot.
2: Apply VDD before VPP and disconnect it after VPP.
Parameter Symbol Conditions MIN. TYP. MAX. Unit
0.7 VDD VDD V
VDD –0.5 VDD V
0 0.3 VDD V
0 0.4 V
10 µ A
VDD –1.0 V
0.4 V
30 mA
30 mA
Other than X1 or X2
X1 and X2
Other than X1 or X2
X1 and X2
VIN = VIL or VIH
IOH = –1 mA
IOL = 1.6 mA
MD0 = VIL, MD1 = VIH
VIH1
VIH2
VIL1
VIL2
ILI
VOH
VOL
IDD
IPP
High-Level Input Voltage
Low-Level Input Voltage
Input Leakage Current
High-Level Output Voltage
Low-Level Output Voltage
VDD Supply Current
VPP Supply Current
AC PROGRAMMING CHARACTERISTICS (Ta = 25±5°C, VDD = 6.0±0.25V, VPP = 12.5±0.3V, VSS = 0V)
DC PROGRAMMING CHARACTERISTICS (Ta = 25 ±5°C, VDD = 6.0±0.25V, VPP = 12.5±0.3V, VSS = 0V)
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