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M87C257_06 Datasheet, PDF (13/22 Pages) STMicroelectronics – Address Latched 256 Kbit (32Kb x8) UV EPROM and OTP EPROM
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M87C257
DC and AC parameters
Table 6. Capacitance(1) (2)
Symbol
Parameter
Test Condition
Min Max Unit
CIN
COUT
Input Capacitance
Output Capacitance
VIN = 0V
VOUT = 0V
1. TA = 25 °C, f = 1 MHz
2. Sampled only, not 100% tested.
Table 7. Read mode DC characteristics(1) (2)
6
pF
12
pF
Symbol
Parameter
Test Condition
Min
Max Unit
ILI Input Leakage Current
0V ≤VIN ≤VCC
ILO Output Leakage Current
0V ≤VOUT ≤VCC
ICC Supply Current
E = VIL, G = VIL,
IOUT = 0mA, f = 5MHz
ICC1
Supply Current
(Standby) TTL
E = VIH, ASVPP = VIH, Address
Switching
E = VIH, ASVPP = VIL, Address
Stable
±10 µA
±10 µA
30
mA
10
mA
1
mA
ICC2
Supply Current
(Standby) CMOS
E > VCC – 0.2V, ASVPP ≥ VCC –
0.2V, Address Switching
E > VCC – 0.2V, ASVPP = VSS,
Address Stable
6
mA
100 µA
IPP
VIL
VIH(3)
VOL
VOH
Program Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
VPP = VCC
IOL = 2.1mA
IOH = –1mA
100 µA
–0.3
0.8
V
2
VCC + 1 V
0.4
V
VCC – 0.8V
V
1. TA = 0 to 70 °C, –40 to 85 °C; –40 to 105 °C or –40 to 125 °C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC
2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
3. Maximum DC voltage on Output is VCC +0.5V.
Table 8. Programming mode DC characteristics(1) (2)
Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
Input Leakage Current
VIL ≤VIN ≤VIH
±10
µA
ICC
Supply Current
50
mA
IPP
Program Current
E = VIL
50
mA
VIL
Input Low Voltage
–0.3
0.8
V
VIH
Input High Voltage
2
VCC + 0.5
V
VOL Output Low Voltage
IOL = 2.1mA
0.4
V
VOH Output High Voltage TTL
IOH = –1mA
VCC – 0.8
V
VID
A9 Voltage
11.5
12.5
V
1. TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V
2. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
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