82077AA Datasheet, PDF (53/62 Pages) Intel Corporation – CHMOS SINGLE-CHIP FLOPPY DISK CONTROLLER

82077AA
Capacitance
C_IN
C_IN1
C_{I O}
Input Capacitance
Clock Input Capacitance
Input Output Capacitance
NOTE
All pins except pins under test are tied to AC ground
LOAD CIRCUIT
10
pF
F ^e 1 MHz T_A ^e 25 C
20
pF
Sampled not 100% Tested
20
pF
A C TESTING INPUT OUTPUT WAVEFORM
82077AA
290166 – 7
C_load e 50 pF for all logic outputs
100 pF for the data bus
11 0 A C SPECIFICATIONS
T_A ^e 0 C to 70 C V_CC ^{e a}5V g10% V_SS ^e AV_SS ^e 0V
Symbol
Parameter
Min
CLOCK TIMINGS
t1
Clock Rise Time
Clock Fall Time
t2
Clock High Time⁽⁷⁾
16
t3
Clock Low Time⁽⁷⁾
16
t4
Clock Period
41 66
t5
Internal Clock Period⁽³⁾
HOST READ CYCLES
t7
Address Setup to RD
5
t8
RD Pulse Width
90
t9
Address Hold from RD
0
t10
Data Valid from RD⁽¹²⁾
t11
Command Inactive
60
t12
Output Float Delay
t13
INT Delay from RD
t14
Data Hold from RD
5
290166 – 8
Max
Unit
10
ns
10
ns
26
ns
26
ns
41 66
ns
ns
ns
ns
80
ns
ns
35
ns
t5 ^a 125
ns
ns
53