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AM27C256-55EI 数据表(PDF) 9 Page - Advanced Micro Devices

部件名 AM27C256-55EI
功能描述  256 Kilobit (32,768 x 8-Bit) CMOS EPROM
Download  12 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM27C256-55EI 数据表(HTML) 9 Page - Advanced Micro Devices

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AMD
2-40
Am27C256
DC CHARACTERISTICS over operating range unless otherwise specified.
(Notes 1, 2 and 4)
Parameter
Symbol
Parameter Description
Test Conditions
Min
Max
Unit
VOH
Output HIGH Voltage
IOH = –400
µA
2.4
V
VOL
Output LOW Voltage
IOL = 2.1 mA
0.45
V
VIH
Input HIGH Voltage
2.0
VCC + 0.5
V
VIL
Input LOW Voltage
–0.5
+0.8
V
ILI
Input Load Current
VIN = 0 V to +VCC
ILO
Output Leakage Current
VOUT = 0 V to +VCC
ICC1
VCC Active Current
CE = VIL, f = 10 MHz,
ICC2
VCC TTL Standby Current
CE = VIH
1.0
mA
ICC3
VCC CMOS Standby Current
CE = VCC
± 0.3 V
100
µA
IPP1
VPP Current During Read
CE = OE = VIL, VPP = VCC
100
µA
(Note 3)
IOUT = 0 mA
C/I Devices
E Devices
1.0
5.0
25
µA
µA
mA
1.0
Notes:
1. VCC must be applied simultaneously or before VPP, and removed simultaneously or after VPP.
2. Caution: The Am27C256 must not be removed from (or inserted into) a socket when VCC or VPP is applied.
3. ICC1 is tested with OE = VIH to simulate open outputs.
4. Minimum DC Input Voltage is –0.5 V. During transitions, the inputs may overshoot to –2.0 V for periods less than 20 ns.
Maximum DC Voltage on output pins is VCC + 0.5 V, which may overshoot to VCC + 2.0 V for periods less than 20 ns.
–75 –50 –25 0
25
50
75 100 125 150
30
25
20
15
10
Frequency in MHz
08007H-7
123
456789
10
30
25
20
15
10
Temperature in
°C
Figure 1. Typical Supply Current
vs. Frequency
VCC = 5.5 V, T = 25
°C
Figure 2. Typical Supply Current
vs. Temperature
VCC = 5.5 V, f = 10 MHz
08007H-6


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